COMPATIBLE WITH: Studio 2.0 and 3.0 Wired/ Wireless (Model B0501 and Model B0500) Over-Ear Headphones (DO NOT FIT Solo On-Ear Headphones), please CHECK your Headphones' model before purchase! 【SIMPLE INSTALLATION & COMFORTABLE】just takes several minutes to install. Made of soft protein Leather and special designed to keep you comfortable as you enjoy your favorite music, you can wear this for hours of comfortable listening. 【SUPERIOR AUDIO SOUND PERFORMANCE】High quality memory foam, decent noise isolation. Use them on a daily basis for hours music listening, it provides impressively clear and vivid listening experience. 【FEATURE】 Material: Protein leather, Memory Foam; Dimension: 3.54 x 3.15 x 1 inches;