Flash Furniture HERCULES Series 400 lb. Capacity Black Plastic Stack Chair with Black Frame Multipurpose Stack Chair 400 lb. Weight Capacity Stacks up to 20 Chairs High Black Plastic Seat and Back Ergonomically Contoured Design Perforated Back allows air circulation Textured Seat ensures safe seating Injection Molded Material Easy to Clean 10.5mm Solid Metal Tubing