1. Good Compatibility, The Earphone Cover Is Suitable For Dr. Bose QC Ultra Headphone. Please Check Your Headphone Model Before Purchasing! 2. High-Quality Materials. The Ear Pads Are Made Of High-Quality. They Are Comfortable, Durable, Soft, And Sweat-Proof, And Effectively Block External Noise. 3. It Adopts A Snap-On Design, Which Is Easy And Stable To Install And Not Easy To Fall Off, Allowing You To Enjoy Wearing Headphones. 4. Easy To Install, Installation Is Very Simple, Just Take Off The Old Earplugs And It Only Takes A Few Minutes To Complete. 5. Includes A Pair Of Headphone Protective Cases Type: Headphone Cover Applicable Headphone Models: Suitable For Dr. Bose QC Ultra Headphone Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:Black Material:Protein skin Package Contents: 2 x Headphone Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.