Tip N' Roll bleachers are perfect for auxiliary seating requirements! The unit easily tips up on its casters for convenient storage. Frames are 100% welded aluminum angle; seat planks are anodized. The high-grade swivel casters & rubber foot pads will not mar your floors. 5-year limited warranty. Two 15' long rows. Seats 20. 15'L x 24"H x 36"D. 131 lbs. QUICK SHIP! (Picture is of 3-row, 15'L, double foot plank bleachers.) Call our customer service to order colored seat planks (red, royal blue, navy blue, or forest green); ALSO QUICK SHIP!