The WR-1 wheel rollator was designed to assist those who have difficulty walking on their own. The four 152mm/ 6" caster wheels are great for indoor or outdoor use. The lightweight aluminum frame is easily transported. The padded seat flips up to fold in half for storage. Adjustable handlebars from 889mm to 990mm / 35" to 39" with ergonomic hand brakes that lock the rear wheels. The backrest is easily removed and includes a removable basket.