Compatibility: Replacement ear cushions kit for Bose QC35 series are designed to match the original, these soft protein leather foam ear pads are compatible with Bose QuietComfort 35, QuietComfort 35 II, QuietComfort 25, QuietComfort 15, QuietComfort 2, AE2, AE2i, AE2w, SoundTrue, and SoundLink (over-ear) headphones. Soft and Durable: The replacement ear pads are made of high-quality foam and protein leather, offering the same softness as the original pads, designed for extended listening comfort without discomfort or pressure. No Loss of Sound Quality: The memory foam cushion helps block outside noise and maintains the original audio performance of your headphones, providing an immersive listening experience in noisy environments. Easy Installation: Simply remove the old ear pads and attach the new ones in seconds. The secure fit ensures they stay in place during use. Reassuring Service: We offer a 3-year warranty for all customers. If you're not satisfied, to return the product for a full refund.