Stadium Seats for Bleachers with Back Support - 350lb Heavy Duty Bleacher Chairs, Ultra Padded Cushion & Non-Slip Base, Portable Foldable Stadium Seats (Blue)

["【Stadium Seats with Back Support】High-density 1.5-inch foam padding provides ergonomic back support for extended events. Non-slip fabric base (positioned downward per installation) ensures stability on metal or wooden bleachers.","【350lb Reinforced Load Capacity】Structural steel frame exceeds ASTM standards, supporting 350lbs – 20lbs above industry average. Ideal for diverse user profiles.","【Triple-Point Security System】Integrated locking mechanism: (1) Release base locks → (2) Engage bleacher clips → (3) Tighten underside strap. Eliminates lateral displacement risks.","【Rapid Deployment & Portability】Operational in under 10 seconds: Unfold → Secure non-slip surface → Adjust backrest to 90°. Collapses to 14.96x16.93x12.99 inches with integrated carry strap.","【Commercial-Grade Maintenance】Water-resistant upholstery requires only damp cloth cleaning (non-machine washable). Powder-coated frame resists corrosion in all weather conditions."]