The sled base stack chair with air-vent back is a practical solution when you need to have extra chairs available for special events and unexpected company. A heavy duty, plastic seat and back, molded in an ergonomically contoured design, provide great comfort and reinforce good posture. The air-vented back on this chair allows air to circulate, keeping you cool. A powder coated frame finish on the sled base protects it from scratches and a front support brace gives it added strength. In fact, total weight capacity for this chair is an amazing 881 pounds. These chairs feature a handle cutout in the seat back and stack up to 5 high for transport and storage. Non-marring plastic floor glides protect your floors by sliding smoothly when you need to move the chair. No assembly is required - this chair ships to you fully assembled. Designed for both commercial and residential use, this multipurpose, stackable chair is a great choice for training rooms, sidewalk cafes and your home.