Skil Care™ Foot Heel Elevator, Polyfoam, 4 in. W, Blue, 1 Each Assorted MARVEL products s proprietary Size Guide marking 18747 s proprietary Size Guide marking system prevents mis cuffing * Quick release luer slip connector * Complete with leatherette carrying case with self repairing nylon zipper * Assembled inspected and packaged in the U Large 16 17Û * When sizing measure slightly bent underneath knee cap * Useful in the treatment of patella dislocation chrondomalacia patella and Osgood Schlatter s disease * Allows more flexiblity around the kneecap * As the kneecap is free from compression any tenderness or bruising present on the kneecap itself will not be aggravated * Captures body heat & increases blood flow * Allows skin to ventilate & release moisture * Shipping Carton Size: 12 L x 10 W x 6 H Provides necessary air circulation for accelerated tissue granulation and healing of existing pressure sores No need for a separate inner liner