Mattress Protector Contour Full 54 x75 x9 Jobst Relief 20 30 Knee Hi density foam * Fire retardant: 07090727312 density foam * Fire retardant: CAL The J Brace Patellar Stabilizer is a 1 8th thick 13 long sleeve with two lateral and two medial spiral steel stays * It also has a tubular rubber buttress to align the patella * Laterally attached straps pull medially to displace force to the patella * The J Brace allows compete range of motion while providing stability * 12 13 * Manufactured from DermaDry which combines the breathability and water vapor transmission capabilities of open cell sponge rubber with the durability stretch and compression of neoprene * This process allows perspiration to evaporate and is further enhanced by the KwikWick treatment of the soft polyester that coats the inside and outside of the braces * A flame lamination process is used to secure the KwikWick treated polyester to the rubber eliminating the need for industrial adhesives a known cause of contact dermatitis * Excellent for patellar instabilities subluxations and dislocations * CONTOUR * Full 54 x 75 x9 * Excellent retail packaging * Protects mattress * Heavy 3 gauge plastic * Individually sealed in a poly bag * Treated with flame retardant * Fits both mattresses and boxsprings up to 9 thick * 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 *