Features: Isolate external noise, make your audio clearer and achieve great sound. Protect your headphones from damages, dust and moisture. for Ideal replacement for lost or damaged ear pads. Built-in soft sponge, comfortable to wear, muylti types for you to choose. Sewing, high frequency hot pressing process, the installation is firm and durable. Specifications: Item Name: Ear Cushion Inner Material: Sponge Outer Material: flannelette, for nano pu leather, white protein leather, black protein leather, printed protein leather,printed flannelette, sheepskin(optional) Diameter: about 90 mm/3.54 inch Applicabel Models: for K540 K545 k845BT/S700 S500 E50BT Bluetooth-compatible Headphones Package Includes: 1 Pair Ear Pads note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item.