Stretchable headphone covers: each ear cushion has a diameter of 12 cm/ 4.72 inch, with good elasticity, which can fit large earphones around 10-12 cm/ 3.93 at 4.72 inches. Hygienic earpad cover: made of non-woven fabric, comfortable to wear, protects your earphone cushions from dirt, oils while protecting your ears from dust, soft for the skin. Disposable ear cups: The ear cup cover is lightweight, with an elastic strap for easy wearing, wearing at any time, and direct throwing after take-off, clean and hygienic. Applicable occasions: disposable headphone covers are ideal for Gyms, Offices, Bars, Libraries, Call Centers, Shows, Hotel and more, provide nice protection for earphone and headphone users. Quantity sufficient: set comes with 50 pairs (100 pieces) of colored disposable earmuffs, the quantity is sufficient