[Supervised by a Judo therapist] Toe supporter, toe spreader separator [Sized for Japanese people] Thumb, 100% TPE gel, washable, one size fits most (white thumb) sport A traditional herbal medicinal product Size:4"x 8"(Pack of 10) A traditional herbal medicinal product used for the relief of symptoms of the common cold and influenza type infections ►Lifetime warrantyWe’re so confident in the quality of our products that we give you a Lifetime Warranty Even people with smaller feet can wear these as long as their foot circumference and foot width are not extremely short [Hygienic with hand washable material and special storage pouch] The material is hand washable with water