Headphone Earphone Headset Case Bag for Sennheiser HD218 228 238 Sony MDR-ZX100 Size20cm*18cm*5.5cm Material: nylon & velvet This carry case is designed to carry general kinds of headphones with headband on the market. The thick and elastic strap to hold your headphone firmly. Nearly 360 degree zip surround that is convenient for you to put your headphone in and out the case.