Description: Made of High Quality ultra soft comfortable leather, internal soft memory sponge padding, durable & flexible. The ear-conforming fit is due to a firmer memory sponge cushioning which isolates sound perfectly from your environment while enhancing every beat that comes through your headphones . Easy to install,replace your worn-out earpad cushions. Soft leather provides great comfort. Compatible with BOSE QuietComfort QC25 QC35 QC2 QC15 AE2 AE2i AE2w SoundLink II SoundTrue Headphones. Specification: Material: protein leather + sponge Outer diameter: 98mm Compatible with BOSE QuietComfort QC25 QC35 QC2 QC15 AE2 AE2i AE2w SoundLink II SoundTrue Headphones. Package Includes: 1Pairx Ear Pads