Smartlife make you live better,welcome to my store! Description: All day comfort, support and magnets provide powerful magnetic therapy. Discreet under clothing and flexible enough to be worn all day and during most sports and training activities. High quality elbow support made from comfortable white stretch cotton. Help reduce pain due to Sports Injury¡¯s, Arthritis, Tendonitis, Tennis Elbow and golfers elbow. Soft breathable stretch cotton provides comfortable, yet firm support. Color: Light gray Material: bamboo fiber Size: M / L M: Expand Size: 24 * 5cm L: Expand Size: 26 * 5cm Package included: 2pcs x Wrist Support Brace