We strive to offer innovative new products to meet the need of the rapidly changing world we live in. Our goal is to provide products manufactured with the best materials and consistent, processes. 3 rows of 21 ft tip N ft roll bleachers. Tip N Roll bleachers are perfect for booster seating requirements. Drive tips easily onto its rolling wheels for convenient storage. The frames are 100 Angle welded aluminum. Seat planks are anodized or powder coated. Amp swivel rubber pads won't mar your floors. Due to constantly changing specifications: please check local building and safety codes to ensure compliance. Standard models include single foot planks. Assembly required. These lightweight units are easily tipped to roll by any responsible adult however if tipped must be taken outdoors extreme caution in windy conditions multiple adults may be required to check the unit specifications. Size 21 ft. Weight: 268 lbs