The indoor-outdoor sled base stack chair is ideal for special events with a heavy-duty, plastic seat and back for comfort and posture support. The air-vent back allows for optimal air circulation. With a powder-coated frame finish for durability, this chair has a weight capacity of 881 pounds and stack up to 5 high for storage. Non-marring plastic floor glides protect your floors. Suitable for commercial and residential use, this multipurpose chair is perfect for training rooms, sidewalk cafes, and home use. Seat Material: Plastic/Acrylic, Frame Material: Metal. Overall Product Weight: 14lb.