About this item Condition: Brand New If you have trouble installing, please click on the installation video guide in Figure 7. They can help you Material: artificial leather & memory foam Compatible with: Sennheiser HD 4.50BT, HD 4.50, HD 4.50BTNC, HD 4.50SE, HD 4.40BT, HD 4.30G, HD 4.20S, HD 458BT, HD 450, HD 450BT, HD 400S, HD 350BT Headset You will receive: 1 pair of earpads Dimensions: 7.09 x 4.72 x 1.18 inches