Suitable for commuting, traveling and other long-time use scenario enhances the user Broad Spectrum Compatible Design: Specifically for QC35 and QC45 headphones, perfectly for the headphone structure ensures stability and comfort Quick installation design and can be replaced without tools Comfortable Wearing: Soft padding lining provides long time comfort and reduces the feeling of pressure caused by long time wearing Wear-resistant microfiber leather Black microfiber leather with superior abrasion resistant, suitable for music lovers who wear it for long time, prolonging the life of the product