Features: Replacement earpads made of quality sponge, which is designed for comfort and style, soft and smooth, comfortable to wear. Isolate external noise, make your audio clearer and achieve great sound. Fits comfortably with your ear without distorting the sound, for ideal replacement for lost or damaged ear pads. Simple installation, first tear off the old earmuffs on the earphones, clean up the residual glue, stick one side of the double-sided tape on the new earmuffs, then tear the other side and stick it on the earphones, press tightly for 1 minute to let the earmuffs stick on the headset. Wide compatibility, universal for MDR-XB550AP MDR-XB450AP MDR-XB650BT MDR-XB450 MDR XB550AP XB450AP XB650BT XB450 headphones. Package Includes: 1 Pair Earpads Specifications: Material: Sponge Color: Red, Black, Gray(optional) Installation size of back of the earmuff: 72mm/2.83" Outer diameter of the front sponge: 75mm/2.95" Applicable Models: for MDR-XB550AP MDR-XB450AP MDR-XB650BT MDR-XB450 MDR XB550AP XB450AP XB650BT XB450 Headphones note: Please allow 1-2cm errors due to manual measurement, pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item.