1. STABLE AND STURD: Folding chair with padded seat made of thickened steel frame, Structured by triangle, with nonslip pads, chairs are stable and durable for indoor outdoor use. You also don't need to worry about scratching being left on the floor. 2. SPECIFICATIONS: Dimensions:18'D x 18'W x 31'H, Our folding chairs 4 pack are dependable and sturdy, ideal for use in Bedroom, Dorm Rooms, Apartments, Lounging, Garden. This black folding chairs are preassembled and can be used directly. Our classic 'Yframe' is enforced with doubleriveted front and rear leg cross braces, and double hinges on each side for added stability. 3. EASY TO FOLD NO NEED TO INSTALL: The folding chair package includes folding chairs 4 pack, folded up for easy storage, the padded folding chairs 4 pack is all steel structure with double hinges, welded cross braces, the foldable steel frame can support up to 330 lbs, allowing the folding chair to fold flat when not in use, the folding chair has hinges on each side for added stability. 4. NONSLIP FOOT PADS: The padded folding chairs 4 pack with nonslip foot pads. It can prevent the chair from scratching the floor surface during use and prevent the chair from moving around. Thereby greatly improving the overall stability. 15.75' x 15.75' large chair cushion, can make you sit more comfortable. Improve the efficiency of study and work.