ECR4Kids 14in. Stack Chair Chrome Legs, Standard Glides - Green - ELR-0194-GNGProduct Features Innovative school stack chair features a molded seat with vented back, reinforced ribbing in back and under seat for strength, steel legs with steel lower back support. No penetration of screws through the seat surface. Available with your choice of composite ball glides made for durability and protection on carpeted floors, or nylon swivel glides perfect for hard floors. GreenGuard: Yes Warranty: 10-Year (Limited) Product UPC: 30763960508313ECR 4 KidsECR4Kids, they are committed to developing and distributing only the highest quality in classroom furniture and equipment. Their focus and commitment continues to bring added value features, functionality and performance while always providing optimal service. With a concentration on the K-12 and early childhood markets, they offer a wide range of products from tables, chairs and desks to cots, mats and art supplies. And with distribution centers in California and New Jersey, they are equipped to deliver products quickly and efficiently.