Tinksky Set of Replacement Soft PU Foam Earpads Ear Pads Ear Cushions with Head Cushion for Sennheiser HD418 HD419 HD428 HD429 HD439 HD438 HD448 HD449 Headphones (Black) Material: Durable soft PU and foam. Fully compatible with Sennheiser HD418 HD419 HD428 HD429 HD439 HD438 HD448 HD449 headphones. Ideal for replacing your old, dirty, lost or damaged original ear pads. High elasticity, durable and soft fabric design, for comfortable to wear on your ears. The ear pads can help to improve the bass performance of your headphone.