Provides support to weak or injured wrists; helps reduce motion in wrist. Class 1 medical device. FSA eligible. (1) Provides support to weak or injured wrists. (2) Aids in the treatment of carpal tunnel syndrome and arthritis. (3) Lightweight and breathable for all-day wear. (4) Two adjustable straps for custom fit. (5) Extra long 6.5 inch metal spoon and two side splints provide rigid support. (6) Antimicrobial (Antimicrobial treatment is intended to protect the brace and does not extend protection to the skin). Sizing: Adjustable - size SM/MD fits left or right wrist. Measure circumference of the wrist. 5.0 - 7.5 inch /12.7 - 19.0 cm. Not made with natural rubber latex. 3-in-1: (1) Provides protective support to wrist. (2) Supports the wrist to aid in the treatment of carpal tunnel syndrome. (3) Supports the wrist to aid in the treatment of rheumatoid arthritis. Since 1959 the Mueller family has been the trusted leader in sports medicine. We are dedicated to creating the highest quality products that help people recover and perform at their peak. Engineered in Wisconsin by Mueller Sports Medicine. Family owned since 1959. Trusted brand.