This Japanese-made supporter is designed for mothers raising children, providing firm support for the wrist and thumb. - Color: Black - Made in: Japan - Washable: Yes - Support Function: Supports wrist and thumb - Target Audience: Mothers raising children - Manufacturer: Made by a manufacturer specializing in taping structures Thank you for viewing. Tenosynovitis Countermeasure Wrist Supporter, Made in Japan, Thin, Fit, Thumb Base Support, Unisex (Developed in collaboration with a university) Postpartum/Childcare, Mouse/Household Chores, For Men and Women I purchased this on Amazon, but the size didn't fit, so it's only been tried on. LL Size: 20-26cm Black Original Price: 2,400 yen