The GCI Outdoor BleacherBack Lumbar Stadium Chair is the answer to uncomfortable bleacher and bench seating at sporting events, concerts, and other outdoor venues. Ergonomically designed with a supportive backrest, this portable seat provides support and comfort even if the game goes into overtime. The sturdy powder-coated steel frame accommodates up to 250 pounds, and measures 12.2 x 16.3 x 17.5 inches, providing maximum space within the allotted size of a stadium seat. A single-buckle strap on the bottom of our bleacher seats attaches easily and securely to bleachers and benches, so that our sports chairs for adults stay put throughout the game or concert. Lightweight and portable, the GCI Outdoor BleacherBack Lumbar Stadium Chair folds down to 16.3 x 16.3 x 3.3 inches, and weighs just 3 pounds, making it easy to transport from the tailgate to the game. Limited lifetime warranty.