Specifications Material:Leather Category:Earphones & Headphones Active Noise-Cancellation:No Volume Control:No Control Button:No Vocalism Principle:Other Wireless Type:Bluetooth Communication:Wireless+Wired Style:Headphone Origin:Mainland China Brand Name:aiviplus Model:QuietComfort45 Compatible With:Bose QuietComfort 45 (QC45) Over-ear Headphones. Please confirm your headset model before purchase. Extra Thick and Comfortable: These QC45 Earpads have 20% more memory foam, adding thickness and increasing comfort for long listening sessions. Rugged Dueabilty: Adopting the High-density foam and the softer protein leather, our earpads will never go flat and cause discomfort as time goes by. Also, we added stitching and mighty glue on the inside seams of each earpad to prevent them from splitting. Material: Protein Leather and Memory Foam. Package Contents: 2 Ear Pads (Pair Pack) and 1 Tool. After-sale guarantee: When the product is unusable or has quality problems, 100% refund or reissue. You can buy with confidence.