Material data base

Results
  • Shirtings
  • Printed fabrics
  • OTHER
  • Hachioji
  • Fujiyoshida
  • Cotton
  • Silk
  • Woolen
  • Seasonless
  • Woven textile
  • Knitted textile
  • Leather
  • MKT-25053

    MKT-25053

    ITONONE

    社名
    ITONONE
    Number
    MKT-25053
    date
    2024/04/01
    Material
    • Cotton
    • Regenerated fiber
    • Other
    Mixture
    • Cupro 43%
    • Triacetate 26%
    • COTTON 23%
    • Polyester 8%
    • Woven textile
    • Width 120cm
    • Length 50m
    • Weight 153g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Dresses
    • Shirtings
    Area
    Fujiyoshida
    Wrinkle resistant, drapey jacquard.
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 1260

    1260

    SOJITZ FASHION CO., LTD.

    社名
    SOJITZ FASHION CO., LTD.
    Number
    1260
    date
    2024/02/07
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • Easy care
    • Woven textile
    • Width 150cm
    • Length 50m
    • Weight 98g/㎡
    • color/design variation available
    • Small batch orders available
    • Stock service available
    Item
    • Dresses
    • Shirtings
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 1261

    1261

    SOJITZ FASHION CO., LTD.

    社名
    SOJITZ FASHION CO., LTD.
    Number
    1261
    date
    2024/02/07
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • OTHER
    • Woven textile
    • Width 145cm
    • Length 50m
    • Weight 140g/㎡
    • color/design variation available
    • Small batch orders available
    • Stock service available
    Item
    • Dresses
    • Shirtings
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 5-KARAMI

    5-KARAMI

    HOKKOH CO., LTD.

    社名
    HOKKOH CO., LTD.
    Number
    5-KARAMI
    date
    2024/01/12
    Material
    • Cotton
    Mixture
    • COTTON 100%
    • Woven textile
    • Width 105cm
    • Length 53m
    • Weight 130g/㎡
    • Stock service available
    Item
    • Dresses
    • Shirtings
    • Lace/Embroidery
    Area
    OTHER
    Japanese Karami Weave with dying Japan
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • DP-7800-1

    DP-7800-1

    HOKKOH CO., LTD.

    社名
    HOKKOH CO., LTD.
    Number
    DP-7800-1
    date
    2024/01/12
    Material
    • Cotton
    Mixture
    • COTTON 100%
    • Woven textile
    • Width 110cm
    • Length 55m
    • Weight 180g/㎡
    • Stock service available
    • Small batch orders available
    Item
    • Dresses
    • Shirtings
    • Printed fabrics
    Area
    OTHER
    Realistic expression becaues of digital print
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-23887

    MKT-23887

    ITONONE

    社名
    ITONONE
    Number
    MKT-23887
    date
    2024/04/01
    Material
    • Cotton
    • Polyester
    • Regenerated fiber
    • Other
    Mixture
    • COTTON 52%
    • Cupro 30%
    • Polyester 18%
    • Woven textile
    • Width 115cm
    • Length 50m
    • Weight 224g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Suits
    • Jackets
    • Dresses
    • Shirtings
    • Pants/Skirts
    Area
    Fujiyoshida
    Soft touch jacquard
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 1253

    1253

    SOJITZ FASHION CO., LTD.

    社名
    SOJITZ FASHION CO., LTD.
    Number
    1253
    date
    2024/02/07
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • OTHER
    • Woven textile
    • Width 145cm
    • Length 50m
    • Weight 136g/㎡
    • Stock service available
    • Small batch orders available
    • color/design variation available
    Item
    • Dresses
    • Shirtings
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • BL58000

    BL58000

    FUJISAKI TEXTILE CO., LTD.

    社名
    FUJISAKI TEXTILE CO., LTD.
    Number
    BL58000
    date
    2023/10/12
    Material
    • Cotton
    • Regenerated fiber
    Mixture
    • COTTON 63%
    • Rayon 37%
    • Knitted textile
    • Width 160cm
    • Length 27m
    • Stock service available
    • Small batch orders available
    • color/design variation available
    Item
    • Suits
    • Jackets
    • Dresses
    • Shirtings
    • Japanese-style clothing (kimono)
    • Interior
    • Sundry items
    • Accessories
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-24490

    MKT-24490

    ITONONE

    社名
    ITONONE
    Number
    MKT-24490
    date
    2024/04/01
    Material
    • Silk
    • Polyester
    Mixture
    • Silk 54%
    • Polyester 46%
    • Woven textile
    • Width 120cm
    • Length 50m
    • Weight 96g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Coats
    • Dresses
    • Shirtings
    Area
    Fujiyoshida
    yarn dyed checked
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • CRF2010-M

    CRF2010-M

    HOKKOH CO., LTD.

    社名
    HOKKOH CO., LTD.
    Number
    CRF2010-M
    date
    2024/01/12
    Material
    • Cotton
    • Linen/Rammie
    • Regenerated fiber
    Mixture
    • Rayon 41%
    • Linen/Rammie 38%
    • COTTON 21%
    • Woven textile
    • Width 112cm
    • Length 50m
    • Weight 188g/㎡
    • Stock service available
    Item
    • Suits
    • Jackets
    • Coats
    • Dresses
    • Shirtings
    • Pants/Skirts
    Area
    OTHER
    Soft and rought look by using 3 type of raw material
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-25054

    MKT-25054

    ITONONE

    社名
    ITONONE
    Number
    MKT-25054
    date
    2024/04/01
    Material
    • Cotton
    • Regenerated fiber
    • Other
    Mixture
    • Cupro 43%
    • Triacetate 26%
    • COTTON 23%
    • Polyester 8%
    • Woven textile
    • Width 120cm
    • Length 50m
    • Weight 153g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Dresses
    • Shirtings
    Area
    Fujiyoshida
    Wrinkle resistant, drapey jacquard.
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 636002

    636002

    DAIMATSU CO., LTD.

    社名
    DAIMATSU CO., LTD.
    Number
    636002
    date
    2024/04/01
    Material
    • Cotton
    • Silk
    Mixture
    • Silk 20%
    • COTTON 80%
    • Woven textile
    • Width 108cm
    • Length 50m
    • Weight 78g/㎡
    • Stock service available
    Item
    • Dresses
    • Shirtings
    • Pants/Skirts
    Area
    Fujiyoshida
    Silk organdy plaid pattern. The pattern is made of firm silk thread and three types of cotton thread. Characterized by moderate firmness and uneven structure.
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • Y10230

    Y10230

    FUJISAKI TEXTILE CO., LTD.

    社名
    FUJISAKI TEXTILE CO., LTD.
    Number
    Y10230
    date
    2023/10/12
    Material
    • Cotton
    • Polyester
    Mixture
    • Polyester 51%
    • COTTON 49%
    Function
    • Stretch
    • Knitted textile
    • Width 110cm
    • Length 40m
    • Stock service available
    • Small batch orders available
    • color/design variation available
    Item
    • Jackets
    • Dresses
    • Shirtings
    • Interior
    • Sundry items
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 1236

    1236

    SOJITZ FASHION CO., LTD.

    社名
    SOJITZ FASHION CO., LTD.
    Number
    1236
    date
    2024/02/07
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • Easy care
    • Woven textile
    • Width 145cm
    • Length 55m
    • Weight 114g/㎡
    • Stock service available
    • color/design variation available
    • Small batch orders available
    Item
    • Dresses
    • Shirtings
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-25053

    MKT-25053

    ITONONE

    社名
    ITONONE
    Number
    MKT-25053
    date
    2024/04/01
    Material
    • Cotton
    • Polyester
    • Regenerated fiber
    Mixture
    • Cupro 43%
    • Triacetate 26%
    • COTTON 23%
    • Polyester 8%
    • Woven textile
    • Width 120cm
    • Length 50m
    • Weight 153g/㎡
    • color/design variation available
    • Small batch orders available
    Item
    • Dresses
    • Shirtings
    Area
    Fujiyoshida
    Wrinkle resistant, drapey jacquard.
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-24991

    MKT-24991

    ITONONE

    社名
    ITONONE
    Number
    MKT-24991
    date
    2024/04/01
    Material
    • Cotton
    • Polyester
    Mixture
    • Polyester 62%
    • COTTON 38%
    • Woven textile
    • Width 178cm
    • Length 50m
    • Weight 150g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Suits
    • Jackets
    • Dresses
    • Shirtings
    • Pants/Skirts
    Area
    Fujiyoshida
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 25SST-08

    25SST-08

    GLOBE CO., LTD.

    社名
    GLOBE CO., LTD.
    Number
    25SST-08
    date
    2024/04/02
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • Stretch
    • Easy care
    • Knitted textile
    • Width 100cm
    • Length 23m
    • Weight 210g/㎡
    Price
    Between 2,001 yen and 3,000 yen
    • color/design variation available
    • Small batch orders available
    Item
    • Suits
    • Jackets
    • Coats
    • Dresses
    • Shirtings
    • Pants/Skirts
    • Printed fabrics
    • Sportswear
    • Inner wear/lingerie
    • Interior
    • Sundry items
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • BD4678

    BD4678

    COSMO TEXTILE CO., LTD.

    Sustainable raw materials
    1-a Organic materials, biodegradable natural fibers
    社名
    COSMO TEXTILE CO., LTD.
    Number
    BD4678
    date
    2024/04/01
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • Easy care
    • Woven textile
    • Width 140cm
    • Length 50m
    • Weight 150g/㎡
    Price
    Between 1,001 yen and 1,500 yen
    • Stock service available
    • Small batch orders available
    • color/design variation available
    Item
    • Shirtings
    • Pants/Skirts
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • BT31

    BT31

    BELL TEX CO., LTD.

    社名
    BELL TEX CO., LTD.
    Number
    BT31
    date
    2024/01/12
    Material
    • Cotton
    • Polyester
    Mixture
    • COTTON 74%
    • Polyester 26%
    Function
    • Stretch
    • Easy care
    • Knitted textile
    • Width 140cm
    • Length 30m
    • Weight 393g/㎡
    • Small batch orders available
    • color/design variation available
    • Stock service available
    Item
    • Jackets
    • Dresses
    • Shirtings
    • Inner wear/lingerie
    • Interior
    • Sundry items
    Area
    OTHER
    A material that has a unique look by inter-knitting cotton and polyester and dyeing it in different colors.
    By using polyester, it has a light finish without feeling heavy
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-25064

    MKT-25064

    ITONONE

    社名
    ITONONE
    Number
    MKT-25064
    date
    2024/04/01
    Material
    • Cotton
    • Polyester
    • Regenerated fiber
    • Other
    Mixture
    • Cupro 37%
    • Triacetate 22%
    • Polyester 22%
    • COTTON 19%
    Function
    • Stretch
    • Woven textile
    • Width 114cm
    • Length 50m
    • Weight 191g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Suits
    • Jackets
    • Coats
    • Dresses
    • Shirtings
    • Pants/Skirts
    Area
    Fujiyoshida
    Uneven effect, shiny, stretch jacquard.
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-25064

    MKT-25064

    ITONONE

    社名
    ITONONE
    Number
    MKT-25064
    date
    2024/04/01
    Material
    • Cotton
    • Polyester
    • Regenerated fiber
    • Other
    Mixture
    • Cupro 37%
    • Triacetate 22%
    • Polyester 22%
    • COTTON 19%
    Function
    • Stretch
    • Woven textile
    • Width 114cm
    • Length 50m
    • Weight 191g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Suits
    • Jackets
    • Coats
    • Dresses
    • Shirtings
    • Pants/Skirts
    Area
    Fujiyoshida
    Uneven effect, Shiny and stretch jacquard
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 10612

    10612

    SOJITZ FASHION CO., LTD.

    社名
    SOJITZ FASHION CO., LTD.
    Number
    10612
    date
    2024/02/07
    Material
    • Cotton
    • Polyester
    Mixture
    • COTTON 70%
    • Polyurethane 30%
    Function
    • Stretch
    • Water-repellent
    • Absorbent/quick-drying
    • Woven textile
    • Width 130cm
    • Length 50m
    • Weight 104g/㎡
    • Small batch orders available
    • color/design variation available
    • Stock service available
    Item
    • Dresses
    • Shirtings
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-25055

    MKT-25055

    ITONONE

    社名
    ITONONE
    Number
    MKT-25055
    date
    2024/04/01
    Material
    • Cotton
    • Regenerated fiber
    • Other
    Mixture
    • Cupro 43%
    • Triacetate 26%
    • COTTON 23%
    • Polyester 8%
    • Woven textile
    • Width 120cm
    • Length 50m
    • Weight 153g/㎡
    • Small batch orders available
    • color/design variation available
    Item
    • Dresses
    • Shirtings
    Area
    Fujiyoshida
    Wrinkle resistant, drapey jacquard.
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • OKD003

    OKD003

    FIRBEST CO., LTD.

    Sustainable raw materials
    1-b Recycled materials/upcycling materials
    社名
    FIRBEST CO., LTD.
    Number
    OKD003
    date
    2024/01/12
    Material
    • Cotton
    • Polyester
    Mixture
    • COTTON 87%
    • Polyester 13%
    Function
    • OTHER
    • Woven textile
    • Width 148cm
    • Length 50m
    • Weight 164g/㎡
    • Small batch orders available
    Item
    • Jackets
    • Shirtings
    • Denim
    • Sportswear
    Area
    OTHER
    soft texture
    High quality denim made in Japan
    2/1 right twill
    Excellent heat retention due to far infrared rays effect
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 2565

    2565

    SOJITZ FASHION CO., LTD.

    Sustainable raw materials
    1-c Bio-based chemical fibers/other low impact processes and techniques
    Sustainable corporate social responsibility
    3 Sustainable corporate social responsibility
    社名
    SOJITZ FASHION CO., LTD.
    Number
    2565
    date
    2024/06/06
    Material
    • Cotton
    Mixture
    • COTTON 100%
    • Woven textile
    • Width 145cm
    • Length 50m
    • Weight 158g/㎡
    Price
    Within 1,000 yen
    • Stock service available
    • color/design variation available
    • Small batch orders available
    Item
    • Jackets
    • Shirtings
    • Sundry items
    • Accessories
    Area
    OTHER
    Soft and bulky hand-feel made by peachy brushing and air tumbler washer finish.
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • OCA32202

    OCA32202

    OHARAYASENI CO., LTD.

    Sustainable raw materials
    1-b Recycled materials/upcycling materials
    社名
    OHARAYASENI CO., LTD.
    Number
    OCA32202
    date
    2024/04/01
    Material
    • Cotton
    • Linen/Rammie
    Mixture
    • COTTON 100%
    • Woven textile
    • Width 130cm
    • Length 50m
    • Weight 300g/㎡
    Price
    Between 1,001 yen and 1,500 yen
    • color/design variation available
    • Stock service available
    • Small batch orders available
    Item
    • Jackets
    • Coats
    • Dresses
    • Shirtings
    • Pants/Skirts
    • Sundry items
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 5024-395-1

    5024-395-1

    HOKKOH CO., LTD.

    社名
    HOKKOH CO., LTD.
    Number
    5024-395-1
    date
    2024/01/12
    Material
    • Cotton
    Mixture
    • COTTON 100%
    • Woven textile
    • Width 110cm
    • Length 25m
    • Weight 210g/㎡
    • Stock service available
    Item
    • Jackets
    • Coats
    • Dresses
    • Shirtings
    • Pants/Skirts
    • Other
    Area
    OTHER
    Jacquard with Chambray look / Washer finish
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 88500

    88500

    SOJITZ FASHION CO., LTD.

    社名
    SOJITZ FASHION CO., LTD.
    Number
    88500
    date
    2024/02/07
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • OTHER
    • Woven textile
    • Width 108cm
    • Length 53m
    • Weight 182g/㎡
    • color/design variation available
    • Stock service available
    • Small batch orders available
    Item
    • Dresses
    • Shirtings
    • Printed fabrics
    • Japanese-style clothing (kimono)
    • Interior
    • Sundry items
    • Accessories
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Shiny
    matt
    Stretch
    No stretch
  • 5024-1370-1

    5024-1370-1

    HOKKOH CO., LTD.

    社名
    HOKKOH CO., LTD.
    Number
    5024-1370-1
    date
    2024/06/06
    Material
    • Cotton
    Mixture
    • COTTON 100%
    • Woven textile
    • Width 110cm
    • Length 55m
    • Weight 180g/㎡
    • Stock service available
    Item
    • Jackets
    • Shirtings
    • Printed fabrics
    • Accessories
    • Other
    Area
    OTHER
    Using 2 screens for each solid color part, then that make it deep expression
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 5024-1363-1

    5024-1363-1

    HOKKOH CO., LTD.

    社名
    HOKKOH CO., LTD.
    Number
    5024-1363-1
    date
    2024/06/06
    Material
    • Cotton
    Mixture
    • COTTON 100%
    • Woven textile
    • Width 110cm
    • Length 55m
    • Weight 90g/㎡
    • Stock service available
    Item
    • Dresses
    • Shirtings
    • Printed fabrics
    Area
    Hachioji
    Using shuttle machine to weave the base fabric which gives soft handle and have selvage for both edge
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • 1262

    1262

    SOJITZ FASHION CO., LTD.

    社名
    SOJITZ FASHION CO., LTD.
    Number
    1262
    date
    2024/02/07
    Material
    • Cotton
    Mixture
    • COTTON 100%
    Function
    • Easy care
    • Woven textile
    • Width 150cm
    • Length 50m
    • Weight 118g/㎡
    • Stock service available
    • Small batch orders available
    • color/design variation available
    Item
    • Dresses
    • Shirtings
    Area
    OTHER
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch
  • MKT-24914B

    MKT-24914B

    ITONONE

    社名
    ITONONE
    Number
    MKT-24914B
    date
    2024/04/01
    Material
    • Cotton
    • Polyester
    Mixture
    • Polyester 71%
    • COTTON 29%
    • Woven textile
    • Width 170cm
    • Length 50m
    • Weight 136g/㎡
    • color/design variation available
    • Small batch orders available
    Item
    • Suits
    • Jackets
    • Coats
    • Dresses
    • Shirtings
    • Pants/Skirts
    Area
    Fujiyoshida
    light
    heavy
    thin
    thick/bulky
    soft
    hard
    Crispy
    moist
    Smooth
    coarse
    Shiny
    matt
    Stretch
    No stretch