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.
 
Specifications:
Stool size: 19"H x15" triangular
 
Folded Size: 26.5" x 3" diameter

Weight: 29 Ounces

Capacity: 250 lbs

Frame: Hardened 6005A-T6

Adjustable Shoulder Strap