High elasticity light-weight soft and comfortable touchingReduce noise and improve the fidelity of musicEasy to adjust update unhygienic worn or unusable ear padsApplicable for Headphones and Office Headsets. Compatible with Sony MDR-G45 MDR-222KD/ PIN Sennheiser PMX60 PMX100 PX100 PX20 HD15 HD36 HD56 and other headphones with similar diameter. Offer optimal comfort during extended wear and the foam's dimensions ensure precise fitting.