Easy Installation: Smooth installation with this complete replacement ear cushions kit compatible with Sony WH1000XM4 Noise Cancelling headphones. No special tools are needed and the package includes a step-by-step guide for you to follow along. Unmatched Comfort and Thickness: These replacement ear pads are made from a new softer leather and memory foam combination that finds the perfect balance of comfort and durability. We also increased the thickness of our Sony XM4 Earpads to prevent painful mashing of your ears into the drivers. No need to break these ear pads in, they feel soft from Day 1. Enhanced Sound: Old, beat-up ear cushions negatively affect the sound performance of your headphones? These earpads for Sony WH 1000XM4 Over Ear Headphones comfortably conform to your ear, blocking out noise and dialing in the sound, so you can drift off into the beats. Rugged Durability: The inside seams on this replacement ear cushion kit for Sony WH1000XM4 Headphones are made with added stitching reinforced with glue, to prevent your cushions from splitting and increase their lifespan. Fits Like A Glove: These ear pads, made by Wicked Cushions, fit the following models of Sony Headphone only: Sony WH1000XM4 Over Ear Noise Cancelling Headphones