Roll-A-Stool is one of the strongest stools ever made: Each leg is made of an 8" long press fitted and hardened 6061-T6 aluminum alloy tube. The Roll-A-Stool is very comfortable: The Seat is made of three layers of polyester fabric that are arranged to eliminate seat sag and provide a taller sitting position. Adjustable Shoulder Strap. Stool size: 19"H x15" triangular. Folded Size: 26.5" x 3" diameter. Weight: 29 Ounces. Capacity: 250 lbs.