McKesson Bariatric 4 Wheel Rollator Blue Adjustable Height / Folding Steel Frame (1205411_CS) 1/CSThe heavy duty steel frame has a weight capacity of 500 lbs. A loop lock system allows user to easily slow down or stop the McKesson four wheel rollator. Swiveling 8 inch casters ensure smooth movement. The seat and backrest have polyurethane construction to keep user comfortable. A vinyl storage pouch is accessible by folding seat up. Orthotic handles prevent user's hands from becoming fatigued and adjust in height. The rollator collapses for storage