Lifetime Commercial Folding Chairs are made of high-impact polyethylene, contoured for comfort, and designed for durability. Powder-coated High Strength Low Alloy (HSLA) steel creates a lighter chair with increased strength and stability. Lifetime Folding Chairs are lightweight, easy to clean and can be used indoor or out. The adult sized chairs exceeds demanding BIFMA standards and are perfect for your next meeting, event or family gathering.