Compatible for -50X, -40X, -MSR7, -SX1, - SX1A, -PRO5, -PRO5V, -M10, -M20, -M30, -M35, -M40FS, -M45, -M50, - M50S, -M50cwh, MDR-7506, MDR-V6, MDR-CD900ST, for PRO-900, HiFi 780 headphones (Full list please check ). Please note that it is not compatible with MDR 1A, MDR V600, MDR X10 and MDR-XB950BT. It may work with other headphones if it fits these ear pads dimensions. ULTIMATE COMEFORT & LONG USE: Made of soft comfortable, breathable and absorbable, build to last. Internal super soft memory foam padding, durable & flexible,provide the MAXIMUM EAR COMFORT for all day of comfortable listening, you 't even feel like your're wearing headphones! ENHANCED SOUND & NOISE CANCELLING:The high-density memory foam cushion isolates noise,block out distraction, enhances alto & bass tones, performance.You'll love what you hear,and what you don't, so you can enjoy your music with in the way. The kind you get when the rest of the world melts and you're transported to a place where it's just you and your music EASY INSTALLATION AND REPLACEMENT: Cushions align with mounting posts inside the headphone earcups,snap easily into place. Replace and refresh your worn-out earpad cushions, bring your headphones to life. Colour: Black Material: PU Package Contents: 1 pair x Replacement Ear Pads Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.