Ultra Comfort and Perfect Sound: High-quality protein leather and elastic memory foam, ergonomic design, QuietComfort and soft without clamping ears. Noise-canceling perfectly and enhances every beat to make the voice outstanding. Easy Installation: just remove the old ear cups and install the new replacements in seconds. Perfect fitting and the same size as the original, to give your favorite headphones brand new.Remember how the old one is being remove. the same way it needs to be put back. Long Durability: Easy maintenance and long life span. Never worry about falling off because they are specially designed and exactly match the ear muffs.