Features: Experience ultimated comfort with these Replacement Memory Sponge Fabric Mesh Ear pads Cushions Fit for HD4.50BT HD4.50BTNC HD4.40BT HD4.30 HD350 HD400S HD458BT Headphones. These ear pads are durable and flexible, ensuring hours of comfortablelistening. Designed for music enthusiasts, gamers, office workers, and more, these ear pads provide exceptional sound quality and a comfortable fit. Easy to install and use.Replace your worn-out earpads cushions. Specifications: Item Type: Ear Pads Material : Sponge Types: Black Protein Skin/ White Protein Skin/Champagne Protein Skin/Gray Cotton Linen Cloth/Black Football Mesh/Black IceGel for: HD4.50BT HD4.50BTNC HD4.40BT HD4.30 HD350 HD400S HD458BT Headphones Headset Size:approx 90x75mm/3.54x2.95in Color: Black Quantity:2PCS/Set Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 2PCS Earpads