ALPS Mountaineering Breaktime Bleacher Stadium Seat Steel tubular frame for added strength and support Comfortable padded armrest; 600D Polyester green fabric Collapsible design; Folds flat for easy storage and transportation Bottom bar underneath seat to attach to bleachers Dimensions: 18.5" (W) x 16" (H) x 0.5" (Thickness); Weight: 4 pounds, 12 ounces