100 Pieces Headphone CoversEar Pad Cover with diameter of 4.72 inch / 12cm, elastic and stretchable, suitable for most headphones with 3.93"-4.72"(10 -12cm) Earpad. Compatible with AKG, Audio Technica, Bose, EDIFIER, JBL, Monster, Plantronics, Skullcandy, SONY, Sennheiser. Maintain Sound QualityThe Disposable Headphone Ear Covers are soft and thin, wont cause sound distortion; Keep your earphones looking new and won't scratch the Earpads. Environmental HygieneEar Pads Protector made of non-woven fabric material, biodegradable, skin-friendly and breathable, protect your earphone cushions from dust, sweat, skin to skin touch as well. Safe and Hygienic SharingDirectly throwing away after taking off, clean and sanitary, without sharing germs, bacteria, head lice and viruses among many people. Applicable occasionsEarphone Covers ideal for recording, working, sports, learning, singing, public audition, sharing earphones in offices, computer labs, libraries, hospitals, call centers, exhibitions, and museum kiosks