Liberty Thumb Spica, Medium/Large, Left. 3-1/2″ to 4″ (8.9 to 10 cm). Sturdy foam support allows thumb IP motion and can be trimmed as needed. Trilaminate foam with stretch loop straps and soft lining. Latex free. Offers protection, support and positioning of the thumb and wrist for painful and inflammatory conditions. Wrap around thumb strap provides comfort and allows easyadjustment. Perforated foam contours to the forearm and provides ventilation for cool, comfortable wear. Easy modification with scissors and a heat gun. Material will not fray. Clean with a damp sponge and air dry. Use gel pads for added cushioning or scar care. Approximately 9″ (23cm) long. To size, measure width at the MP joints. Packaging: 1/Each.