1.Durable and smooth for comfortable listening. 2.perfect replacement for any damage, give your headphones a new life. 3.The quality of the sponge gives you a comfortable experience. 4.Effectively reduces friction between ears and headphones. 5.Easy to install and use. Compatible for JBL T500BT T450 size:7*7*2cm Material:Protein skin + sponge colour:black Package Contents: 1 * Pair Replacement Headphone Ear Pads Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.