1.[SOFT & DURABLE LEATHER]These Bose QC 35 ll earpads are made of superior quality protein leather, providing ultra-soft toughing. The leather is anti-scratch and durable enough to last 12 months or more. Complying with the PCT test standard, the headphone pads are anti-aging. It allows the leather to have high resistance to sweat, oil, and cosmetics. 2.[WELL-SELECTED MEMORY FOAM]Built-in superior high-density memory foam core fits personal head shape that wraps ears closely. It helps to isolate surrounding environment noise, enhancing every beat coming from headphones. Matched with the dust-proof net, which can keep headphone inner clean and filter the impurities, give you an excellent listening experience 3.[NO CHANGE ON ANC & Sound]These earpads for Bose headphones are tested by our engineers in many Bose headphone models. These earpads are outstanding Bose QuietComfort 15 earpad replacement, Bose QuietComfort 25 replacement ear pads, Bose QuietComfort 35 replacement earpads, Bose ae2 Replacement ear pads, and Bose QC35 ii replacement earpads that perfectly restores the sound quality of the headphone and maintain Bose Headphones Noise Cancelling features 4.[EFFORTLESS INSTALLATION] These Bose replacement ear pads only take a few minutes to install the earpads. Necessary tools and Bose Headphones replacement parts are included for the installation. Bringing back a life to your headphones is just that easy.