Features: Brand new and high quality As earpads degrade, their sound insulation decreases. This results in a loss of the headphone's original sound quality. Protein Leather resists sweat and increase sound insulation. Replacing earpads not only improves the comfort of the headphones, it also increases the sound insulation factor, resulting in a more pleasant listening experience. The ear foam will enhance the performance of your headphone. Replacements for PX100/PMX100/PMX200/PC36 & KOSS Porta Pro(PP)/Sporta Pro(SP)/Ksc35/Ksc75/Ksc55/Ksc50 and AKG K420/K412/K402 headphones.Compatible models: MDR-G45, MDR-222KD/ PIN, MDR-IF240RK PMX60, PMX100, PX100, PX20, HD15, HD36, HD56 and other headphones with similar diameter. Specifications: Material: Sponge Item: 1Pair head beam pads, 1Pair black sponge covers, 1Pair gray sponge covers, 1Pair black wrinkled leather covers, 1Pair gray wrinkled leather covers, 1Pair black flat protein leather covers, 1Pair brown flat protein leather covers, 1 headset bag (optional) Package Includes: 1Pair Head Beam Pad note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!