Medline Industries mission is to provide quality medical products with superior value to healthcare providers and end users improving patient care and the quality of peoples lives. The Guardian Envoy 480 Rollator-Rolling Walker features rugged 8-inch wheels for outdoor use and a deluxe padded seat and curved backrest for enhanced support. It is made out of sturdy lightweight aluminum and Hand Grips are height adjustable from 30 to 36. The loop style brakes which control speed and easily lock wheels while seated. The Envoy 480 allows the user to pull up on seat handle for easy folding and storage. The rollator only weighs 20.5 lbs and has a 300 lb weight capacty.