This set of 5 sled base stack chairs with air-vent backs is a practical solution when you need extra chairs available for special events. A heavy duty, plastic seat and back, molded in an ergonomically contoured design, provides great comfort and reinforces good posture. The air-vented backs on these chairs allow air to circulate. 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 these chairs 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 these chairs. Designed for both commercial and residential use, these multipurpose, stackable chairs are a great choice for training rooms, sidewalk cafes and your home.