Rollator Aluminum w Adj. Seat Height Red Innerspring Mattresses 5kg (based on size 1R99C) 151146 5kg (based on size 1R99C) Varies by size Popliteal cutout for improved fit and comfort Patented clinically proven FourcePoint hinge technology Versatile strapping allows ACL PCL or Combined Instability (CI) configuration IROM hinge ideal for intermediate post op care Hinge: Standard Sleeve with Popliteal Cutout Material: Drytex 6 Wheels * Universal height adjustment on frame allows seat height to be adjusted from 18 to 22 in 1 increments * Comes with new seamless padded seat with zippered pouch under seat * Removable hinged padded back rest can be folded up or down * Comes with standard carry pouch under the seat for added privacy and security of personal items * Easy to use deluxe loop locks * Serrated brakes * Ergonomic handles are easy to grip and are adjustable in height * Limited Lifetime Warranty * 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 *