The most flexible, easy-to-use functional resting splint available. Made of high-density foam with a malleable metal frame. D-ring hook straps can be attached directly onto the soft fabric covering. Recommended for persons with weakness or mild to moderate spasticity. The wrist and hand sections can be contoured by hand to progressively position the hand from a flexed position to a functional position. The thumb can be positioned from mid-range opposition to slight abduction. The forearm trough is fully moldable for optimal fit and comfort. Includes three straps with matching D-ring buckles and Velcro(r) strap tabs. To size, measure across the MP joints. Pediatric:2-1/4in to 3in (5.7 to 7.6cm) Small:Up to 3in (Up to 7.6cm) Medium:3in to 3-1/2 (7.6 to 8.9cm) Large:Over 3-1/2in (Over 8.9cm)