Convoluted Wheelchair Cushion w Back & Blue Polycotton Cover Back Neck Therapy *High Step 24 W x Color:Yellow *High Step 24 W x 24 L x 6 H *Wt WEAK AND DAMAGED HANDS * 10 lbs * Measure tip key and palmer pinch strength in both pounds and kilograms * Measurements are accurate and repeatable * Results are consistent with published Markowitz studies * Indicator remains at the maximum reading until reset * Comes with protective case * Convoluted foam with 2 back fits comfortably in most chairs * Cushion folds in half for convenience in storing and handling * Cover is removable and washable * Durable polyurethane foam * 18 X 16 X 2 Seat