HIeGI Quality Replacement Foam Pad Earpad Cover Cushion for Sennheiser PX100 PX100-II PX80 Headphones - White Perfect for Sennheiser PX100 PX100-II PX80 Headphones External diameter:50mm Opening diameter:38mm Thickness:9mm High elasticity, durable, light-weight, soft and comfortable Available in white and black