Features: Our headphone covers are from Protein Skin/Cooling Gel for optional The Protein Skin/Ice Gel effectively reduces heat generated by headphones during prolonged use and provides a comfortable wearing experience. Protein Skin Gel material is flexible and soft, and conforms to shape of headsets. It provides a firm fit and is also sweat and slip resistant. For music lovers and gamers who like to wear their headphones for long periods of time, as well as business people who need to make frequent calls. Specifications: Component：Protein Skin/Cooling Gel For for Tune T700BT T710 720 T750BTNC T760NC Headphones Headsets Size：about 95x80mm/3.74x3.15in Package Includes: 1Set Protein Skin/ Cooling Gel Ear Cushions (Optional） note: Due to problemsof lighting effect there mightbe certain tolerances in product, please understand. Please allow 0-1cm error due to manuals measurment