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. Extra Thick With Fully Functional Sensor - We know that everyone wants an extra thick and comfortable ear pad for their Sony WH1000XM4 headphones, but can anyone make it thick & still fully functional with the ON / OFF sensor? well, Wicked Cushions can. Enjoy the benefit of extra comfort without sacrificing your XM4 functionality. 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 These earpads are made to fit the following headphones: Sony WH1000XM4 Over Ear Headphones (Sony XM4) This package includes: - 1 Pair of (2) ear pads - Drastically enhances sound performance & quality - No-tool installation in less than 5 minutes - Pads equipped with stitching reinforced with glue.