The Origin UD2 Urethane Barbells are newly designed to be much more durable than itís predecessor. PU (poly-urethane) is a hard wearing plastic polymer which is resistant to scratches, marks, dents and discolouring. The one piece bell reduces risk of damage, and increases the longevity of the product. The sleek and stylish design will fit into any gym environment. SPECIFICATION: Brand Origin Usage Home Use, Commercial Use Condition Brand New Warranty 1 year warranty