Noise-Cancelling Acoustics-PNR: PNR (Passive Noise Reduction) is a kind of earphone noise reduction technology. The back of our earmuffs adopts a large hole and porous design. Greatly improve the effect of sound absorption and noise processing,so as to achieve better noise reduction. Same As The Original Design: Many earpads on the market have notched mats. For QC35 earphones, they cannot completely cover the speakers and may reduce the sound quality.Our mats are completely the same as the original design. Premium Protein Leather: Our earpads are made of high-quality protein leather and slow recovery memory foam, which not only provide softness and comfort, but also greatly increase the service life of the earpads and increase the durability of the ear cushions. 【Ultimate Comfort & Long Use】Emlimny Replacement Ear pads for compatible with Bose headphones are made of superior PU leather, skin-friendly feather-like soft comfortable, breathable and absorbable, build to last.Internal super soft memory foam padding, durable & flexible, provide the MAXIMUM EAR COMFORT for all day of comfortable listening, even forget that you are still wearing headphones! 【Enhance Noise Blocking 】Our ear cushion replacement constructed of superior grade memory foam, this compatible with Bose earphone replacement set insulates your ears with a perfect fit，enhance noise blocking so nothing but the purest sound reaches your ear.Emlimny headphones replacement is thicker than originals.This thickness was built to longer use and better comfort, assuring that your ear pads will never go flat as time goes by. 【Suitable with】Compatible with Bose bluetooth headphones replacement earpads QC35/ QC35 II ，SoundLink 1&2 AE（Over-Ear） ,not fit for SoundTrue(On Ear) & SoundLink(On Ear),compatible with Bose TP-1,compatible with Bose Ae1,compatible with Bose QC 1.IF YOU HAVE FORGOTTEN YOUR HEADPHONES MODEL,WELCOME TO CONTACT US BY "ASK A QUESTION" TO GET A PROFESSIONAL ANSWER. 【Easy to Install】Replace the missing or damaged QC35 headphones ear cushions with a new pair of ear cushions. This ear cushion is not only easy to install, but also forms an important acoustic seal, which brings you more quietness. 【Satisfaction Guarantee】Emlimny's for compatible with Bose replacement over ear covers package included:2 x ear pads,2xsilver dustproof scrims ,4 x Alcohol wipe pad.If have any questions, please feel free to contact us, we will reply you within 24 hours.