Hygenx Sanitary, Disposable Covers for Deluxe-sized 4.5-inch on-ear Headphones and Headsets Are the Must-have Accessory in Any Shared Environment. Keeping Proper Hygiene is More Important Now Than Ever and These Disposable, Sanitary Covers Are an Easy Way to Keep Your Students, Customers or Patients Clean and Protected. With Its Hypoallergenic Material and Special Weave Design, You'll Enjoy Full Sound Quality, Comfort and Protection. Simply Stretch the Cover Over the Headphone Ear Cups and You're All Set. Ensuring Peace of Mind and Cleanliness When It Comes to Shared Headphones is That Easy. Fits All Hamiltonbuhl Over-ear/deluxe-sized Headphones and Headsets Including:st1bk, St1bku, St2bk, St2bku, M2usb, M2usbc, Tp1-usb, Wsp2bk, Sc-7v, Ha7, Ha-66m, Ha-66usbsm, Scg-amv, Sc-amv, Nchbc1,cl-led, Cl-7v, Ha-31, Ha5usb, Ha5usbsm, Ha7m, Kids-sc7v, Mg51-usb, Tlx-44s, W900-multi and Others. Fits Most Other Brands With Similar Ear Cushion HYGENX45