This pair of ear cushions is made of exquisite quality soft foam, which are of high elastic, cozy comfortable and durable. Wearing it, you can enjoying your favorite stereo music to the fullest. They are really preferable replacements ear pads Replacementfor AKG K420 K403 K402 K412P and Replacementfor Sennheiser PX90 headset. Features: High elastic, durable and soft foam facilitates the bass performance of your headphone. Ultra soft foam 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 wear this one on the headphone, then turn your AK-G like the new one. Special polyurethane soft foam is ultra sensitive to pressure and be adapt to various temperature, humidity, which can perfectly mould to individual' body shape. Specification: Material: Soft foam Color: Black Item size: 5.5 * 5.5 * 1cm / 2.2 * 2.2 * 0.4in(L * W * H) Item weight: Approx. 5g / 0.2oz Package size: 10.5 * 8 * 2.3cm / 4.1 * 3.1 * 0.9in(L * W * H) Package weight: 6g / 0.2oz Package List: 1 * Pair of Ear Cushions Note: The Package List without user manual.