【MATERIAL】: High-density polyethylene rods in black color. Strong, light weight, excellent weather and impact resistance. 【DIMENSION 】: 40 pieces of 3/16" (5mm) diameter black HDPE round rods, 12 inch (303mm) in length. 40ft long in total. 【USAGE】: Perfect material for various industrial and DIY applcations. Plastic welding rod for all high density applications: perfect for welding cutting board, water tanks, gas tanks, pipe tubing systems, storage tanks, playground equipment, kayaks and canoes. 【DETAILS】: Weldable at 572°F/300°C with heat, hot air welder, extrusion welding gun. Weldable to other HDPE plastic products. 【PACKAGING 】: Comes in packaged with thick PE plastic bag to protect the bundle of HDPE rods during transport.