Cosme Kitchen, the natural and organic select shop operated by MASH Beauty Lab Co., Ltd., will add bags and pouches from Ball & Chain CAFE, four collaboration items in all, to its holiday collection with picture book artist Kurahashi Rei. They go on sale on Tuesday, December 1, 2026. Advance reservations open on Wednesday, November 11, 2026, at 10:00 AM at the MASH GO GREEN STORE and Rakuten Ichiba.
Kurahashi Rei Bag MS
KHAKI (Cosme Kitchen exclusive color)
WINE (Biople exclusive color)
This MS-size bag is a collaboration with Ball & Chain CAFE. Kurahashi Rei's illustration is rendered in delicate embroidery. It is one size smaller than the standard M size, making it a good fit for carrying a lunch box or as a sub-bag for short outings. It can be folded for easy carrying.
Colors: KHAKI (Cosme Kitchen exclusive color), WINE (Biople exclusive color)
Price: ¥5,500 each (tax included)
Kurahashi Rei Pouch
KHAKI (Cosme Kitchen exclusive color)
CAMEL (Biople exclusive color)
This pouch was developed jointly by Cosme Kitchen and Ball & Chain. Kurahashi Rei's illustration is rendered in embroidery. With multiple pockets, it can be used to store cosmetics and small items.
Colors: KHAKI (Cosme Kitchen exclusive color), CAMEL (Biople exclusive color)
Price: ¥4,950 each (tax included)
Reservation and Sales Schedule
Advance reservations:
November 11, 2026 (Wednesday), 10:00 AM to November 24, 2026 (Tuesday), 9:59 AM
Where to reserve:
MASH GO GREEN STORE (official web store) and Rakuten Ichiba
Release date:
December 1, 2026 (Tuesday)
Where to buy:
Cosme Kitchen, Biople, and Biop stores, MASH GO GREEN STORE, Rakuten Ichiba, ZOZOTOWN, MASH STORE, and USAGI ONLINE
- Cosme Kitchen directly operated stores: Store list
- Biople directly operated stores: Store list
Sales at the Cosme Kitchen and Biople directly operated stores begin according to each store's opening time.
Biop stores: Store list
- EATo LUMINE, B1F inside the ticket gates (toward the West Gate) at JR Shinjuku Station. Opens at 8:00 AM.
Product and special feature page: Cosme Kitchen web store
About Kurahashi Rei
Kurahashi Rei is an illustrator and picture book artist who creates cover art and illustrations for magazines and books. The artist specializes in the world of retro overseas picture books and in distinctive color palettes, and has also illustrated many fabrics, calendars, stationery items, sweets, and general goods. The artist lives with cats in Gifu Prefecture.
Selected books:
- 2021: おてがみBOOK 花とこども (世界文化社)
- 2021: 王様のお菓子 (世界文化社)
- 2023: こねこのトト (Hakusensha)
- 2023: くらはしれい塗り絵BOOK ひみつの物語 (日本ヴォーグ社)
- 2025: こねこのトトはおるすばん (Hakusensha)
- 2025: くらはしれいの夢みるドール服 (ブティック社)
- 2026: きょうは なにきる？ (KADOKAWA)
- and more
