This pair of ear cushions is made of exquisite quality memory foam and ultra soft leather, which are of high elastic, cozy comfortable and durable. Wearing it, you can enjoying your favourite stereo music to the fullest. They are really preferable replacements ear pads for Bose Quiet Comfort 25 15 QC2 QC15 AE2 AE2I AE2W QC25 Headphones. Features: Inner enhanced noise-blocking memory foam facilitates the bass performance of your headphone. Outside ultra soft protein leather surface Features most comfortable user experience. Adopt safe delicate quality non-toxic raw materials, environmentally and not be easily damaged by the sun, such as be sticky or cracking under the sun. Simple to install, just remove the previous one and stick this one onto the headphone, then turn your Bose like the new one. Special polyurethane memory foam is ultra sensitive to pressure and be adapt to various temperature, humidity, which can perfectly mould to individual' body shape. Specification: Material: Memory foam + protein leather Color: Black, Brown(Optional) Item size: 9.1 * 7.1 * 2cm / 3.6 * 2.8 * 0.8in(L * W * H) Item weight: Approx. 22g / 0.8oz Package size: 17.5 * 12 * 5cm / 6.9 * 4.7 * 2in(L * W * H) Package weight: 24g / 0.8oz How to use: Pull off the previous earpads Peel off the top layer on the new one Stick the new one to the headphone Package List: 1 * Pair of Ear Cushions(Brown) 1 * Pair of Pads Note: The Package List without user manual.