Wheelchair Back Cushion Adj Tension Fits 16 21 w WC's Manual Electric Treadmills Intermediate 31 mm * The Otoscope Accessory Intermediate 31 mm * The original standard everyday wear * Can be used with any Freedom Leg Bag Kit 30 x22 x42 * Durable Polyester with closed cell foam padding for comfort * Provides easy position addjustment of patient * Weight Capacity 600 lbs 16 high * Perfect solution for patients with mild positioning needs * Versatile back support system that improves patient comfort and posture * 1 thick high density foam pad provides optimal pressure redistribution * Secures directly over wheelchair canes for added strength stability and safety * 5 Adjustment straps featured for multi purpose back support and customization to individual seating needs * Handy back pocket is convenient for carrying keys water bottle medications tissues and more * Breathable cover is fluid resistant and easy to clean and maintain * Cushion folds with the wheelchair for easy transport and storage * Meets flammability standard TB117 * Weight capacity 350 lbs * Warranty 18 months Fits 16 21 wide wheelchairs