This is a "Recovery Color Band (Silicone Charm)," a body care item that is easy to wear, processed with IFMC (Integrated Functional Mineral Crystal) minerals derived from hot springs. Recommended for those concerned about their neck and shoulders, it can also be worn on the wrists or ankles by wrapping it two or three times. ________________________ Size: 45cm (Free Size) Color: Navy Materials: Silicone rubber, nylon, natural rubber Category: Health goods, supporters, stiff shoulders, stiff neck Volleyball, necklace, badminton, Phiten Colantotte