This one piece, heavy duty (0.125 mil) poly liner snaps into place in a rugged, wide-track steel frame for maximum stability and durability. Poly liner won't deteriorate and allows smooth, acid-free surface for feeding. Fabricated from 1 1/2", 16 ga. round tubing with 14 ga. metal end caps folded and welded for added strength. High-Density Polyethylene Liner. 10'L x 20"H x 12"D. | Hutchison Western 10' Medium Duty Feed Bunk