Features:1. Ideal replacement for you lost or broken ear cushions2. It is snap easily into your headphone3. Made of Quality soft comfortable sponge, durable & flexible, for hours of comfortable listening4. This pair of ear cushions is made of soft sponge, which makes your wearing very cozy and comfortable. With it, you can enjoy your stereo music to the fullest.Compatible for -Plantronics Audio 310 470 478 628 626 Headphone Specification:Thickness: 4mmQuantity: 5 pair(10 pcs) EarpudMaterial: soft spongeColor: BlackSize: Approximately outer diameter 60mm, Package Included:5 pair(10 pcs) EarpudNote: Not Original item, High quality items Note:1. Transition: 1cm = 10mm = 0.39 inches2. Due to manual measurement, allow 0-1cm error. Please make sure you don't mind before bidding.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you