McKesson 4 Wheel Rollator Silver Adjustable Height / Folding Aluminum Frame (1065267_EA) 1/EA300 lb weight capacity Seat and backrest is made of comfortable and durable polyurethane. A loop lock system that makes it easy to slow down or stop folding silver rollator. Ergonomic handles allow for comfortable use and reduce user fatigue. The handle height adjusts easily. Casters allow the McKesson four wheel rollator to move around smoothly.