ECR4Kids 16" Plastic Stack Chair with Chrome Legs [Set of 6] Glide: Ball Glide, Seat Color Red Age Level: 8 years - 12 years. Materials: Heavy-Duty Plastic, Steel. Color: Red. Assembly: No Assembly Required. Assembled Dimensions: 17.30" x 17.30" x 28.75".Assembled Weight: 5.90lbs. Other Dimensions:Seat height: 16". Shell: 12.5"W x 12"D x 12"H. Warranty: 10-Year (Limited).