You get the most out of your Sonos Ace headphones with these Sonos Ace Oorkussens Wit. The ear cushions extend the lifespan of your headphones. The ear cushions are specially made for the Sonos Ace, so you can easily attach them to the headphones. You can click them into place with the magnets. The material is made of memory foam and a soft leather-like fabric, so you can wear the headphones comfortably for a long time.