Foam Earpads Replacement (330-0374) Specifications Faxback Doc. # 16373 Material:........................................Urethene foam of Polyester Dimensions:..........................................Outside Diameter 45mm Inside Diameter 22mm Thickness 13mm Weight:.........................................................0.38g (PCS) Temperature:.....................................High temperature about 71C Low temperature about -40C (ALL-08/07/95)