Eggcrate Wheelchair Cushion 16inx18inx3in (Approx size) Attention Aids DETACHABLE DESK ARMS * 18 Undercast Padding DETACHABLE DESK ARMS * 18 With Elevating Leg Rests * Adjustable seat rail extension and extendable upholstery easily adjusts seat depth from 16 to 18 (patent pending) * Removable flip back desk arms allow for easy transfer * New frame style eliminates seat guides and allows for custom back inserts and accessories * Tool free adjustable front riggings (footrests legrests) * Composite Mag style wheels are lightweight and maintenance free * Precision sealed wheel bearings ensure long lasting performance and reliability * Dual axle provides easy transition of seat height to hemi level * Desk arms are detachable * 8 front casters are adjustable in 3 positions * Push to lock wheel locks * Overall height: 35 * Seat to floor height: 17 Knee Hi * Natural * 15 20 mmHg * Medium * Ankle Circ 8 3 8 9 7 8 Calf Circumference 11 7 8 16 1 2 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * Without cover * Seat Only (without Back) * Good for even distribution of weight * High density long lasting foam allows better circulation of air * Seat: 16X18X3 (approximate size)