Comfortable and durableThe replaceable ear cushions are made of high-soft foam and protein leather, as soft as the original ear cushions, providing you with a comfortable touch without swelling or pain, allowing you to experience longer use.Enhanced SoundThe ear pads which enhances the sound insulation effect. The memory foam pad can block the entry of external sounds and retain the original sound of the headphones. It can keep you in a quiet world when you are in the hustle and bustle outside.CompatibilityEar Pad Cushion Replacements are designed the same as original, these foam leather ear pads fit great compatible with M50X M20 M30 M40 SX1 MSR7Simple and quick to replaceSimply remove the old ear pads and install the new replacement pads within seconds