Air Inflatable Seat Cushion 19 x 19 Impotence Device 5 * Recommended for normalizing Style:Pair (Left & Right) 5 * Recommended for normalizing patella tracking and helps reduce anterior knee pain caused by patella instabilities * Provides support for patella malalignment dislocations or subluxations * Patented lightweight material for added comfort * Aluminum hinges for additional support and to help control hyperextension * Easy application and adjustment * Steel spoke wheels are strong and maintenance free * Carbon steel frame with TRIPLE coated chrome for an attractive chip proof maintainable finish * Reinforced steel gussets at all weight bearing points provide additional strength * Durable reinforced nylon upholstery * Extra large padded armrests provide comfort and support * Steel spoke wheels are strong and maintenance free * Precision sealed wheel bearings in front and rear ensure long lasting performance and reliability * Extra large heavy duty aluminum ELR provide maximum support are attractive and crack proof Provides decubitus prevention and comfort * Pressure relieving air floatation surface * Anti Bacterial vinyl covering * Heat sealed construction * Pre inflated easy to inflate or deflate * Wipe clean vinyl * Meets CA 117 flammability specifications * Light weight * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm * Weight capacity 300 lbs * 1 Year Warranty