Threadart Stadium Seat Chairs for Benches & Bleachers - by Seat has a bungee cord cushioning system that is super comfortable. The frame is made of durable steel, holds up to 350 lbs. Metal hook quickly secures your seat to metal and wooden bleachers. Folds in half for easy storage and carrying. Double layered fabric back is designed for no show embroidery Open chair is 13D" x 17"W x 14.5"H. Folded size: 14D" x 17"W x 4.5"H.