Heavy-Duty 800lbs Capacity Design: Experience unparalleled strength with upgraded collapsible stools for adults, supporting up to 800 lbs. Featuring reinforced Pp and scale-like structure, this plastic stool delivers exceptional stability and durability. Widely Adjustable Height 2.6"" to 18.1"": Tailor comfort with highly adjustable height stool. As an 18 inch stool, it offers wide range from 2.6"" to 18.1"", making it versatile for various indoor and outdoor scenarios. Ultra-Portable and Surprisingly Lightweight: Weighing only 2.64 lbs, this retractable portable folding stool compacts into disc for easy storage, with top and shoulder straps for effortless carrying. Quick Setup and Self-Open Lock: Opens and closes in seconds with simple pull and twist. Self-open lock keeps stool securely stowed when collapsed, safe and convenient for transport. All-Terrain Versatility for Indoor and Outdoor: Ideal for hiking trips, fishing queues, or at home in kitchen and living room. Weight: 5.8 pounds