Stretchy headphone covers: each ear cushion has a diameter of 12 cm/ 4.72 inch, with good elasticity which can fit large size headphones around 10-12 cm/ 3.93 to 4.72 inches. Hygienic earpads cover: made of non-woven fabric, comfortable to wear, protects your headphone cushions from dirt, oils while protecting your ears from dust, soft for skin. Disposable earmuffs: The earmuffs are lightweight, with an elastic strap for easy wearing, wearing at any time, and direct spray after taking off, clean and hygienic. p> Applicable occasions: disposable headphone covers are ideal for gyms, offices, bars, libraries, call centers, shows, hotel and more, provide nice protection for users earphones and headsets. Sufficient quantity: set comes with 50 pairs (100 pieces) of disposable earmuffs in black color, the quantity is enough to allow you to store them at once for several uses.