Seal Tight® Leg Cast Protector, Small Pediatric, 1 Each Ankle Sleeve Optimum Comfort Gel Cushion (20 Hip Kits Optimum Comfort Gel Cushion (20 x 16 ) * Unique channeled gel bladder prevents gel migration in high pressure areas * Gel channels provide relief over the entire cushion area * Foam base provides additional support * Inner foam core has a liner to protect the integrity of the foam * High end cover with straps Polyurethane foam with height variations for different comfort levels * Aids in the reduction of cramps and stiff neck during sleep * Removable washable white cover * Dimensions: 18 x 16 x3 12 inches in length for up to 16 inch cast circumferences Diaphragm stretches easily over cast or bandage to form watertight seal