PATENTED BUNGIE BAND SYSTEM: Bungie bands are extremely comfortable. Our bungie bands flex to fit your body while providing breathability. The Bradley is as cool as you are, and ergonomic to boot. PATENTED FASTENERS: Our patented bungie fasteners provide superior comfort and durability that do not dig into your legs. Our bungie chair is comfortable even if you are butt naked! DIMENSIONS: Seat Height 17-23”. Seat Width: 17”. Seat Depth: 19”. Arm height above seat: 8”. SWIVEL and TILT: 360º swivel. Tilt mechanism with tension rod. Turn the tension rod to adjust how easy it is to tilt your chair. Then lock your chair in either upright or reclining position. Adjustable height with up down pneumatic gas list and lever. Get around on our smooth rolling casters. DURABLE: This chair has top of the line BIFMA (Business and Industrial Furniture Manufacturers Association) approved components that will stand the test of time. Strong metal base.