Achieve greater tone inhibition using a dorsal application. Made of high-density foam with a malleable metal frame. Hook straps can be attached directly onto the soft fabric covering. Designed to progressively reposition the hand and thumb into greater tone-reducing positions. The dorsal forearm trough, thumb section and volar finger platform can be molded to fit the mild to moderate spastic hand comfortably. Can position wrist from 30 degrees Flexion to 45 degree extension. Allows greater tone inhibition due to the dorsal trough and thumb piece. Includes a thumb strap, finger strap and two forearm straps with matching D-ring buckles and Velcro(r) strap tabs. A Finger Separator and a Palmar Arch are included. 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).