Children's Zyrtec Cetirizine Allergy Relief, 1 Each Modular Seating 5 seat height * Reinforced Two 1 inch urethane 5 seat height * Reinforced cross brace keeps your chair strong and stable * Weight Capacity: 300 Lbs * Optional pivot arm available on both models 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 * 18 20 * 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 * and itchy throat or nose for children 2 years and older Dosing cup included