ProBasics Two-Button Folding Walker with Wheels and Roll-Up Seat, 300 lb. weight capacity, aluminum frame, height adjustable. Nylon seat hooks on frame for a secure seat. When not in use, it rolls up and stores on the frame allowing for a full stride. Width inside hand grips: 18″. Width inside base legs: 22″. Depth opened, at base: 18″. Depth folded: 4″. Patient height range: 5’2″ – 6’4″.