About this item COMPATIBLE: These ear pad sweater covers are suitable for various headsets, including Beats Studio 3 / 2 Wireless / Wired, Bose QuietComfort 15, QuietComfort 25, QuietComfort 35, and other ATH AKG SONY Sennheiser headsets with 3 - 4 inches ear cushions. (Note: Not compatible with Beats Solo and other headphones with 1.57-2.91 inch ear pads.) EASY INSTALLATION: No tools needed; easy to install and use. PROTECTION: Protect your headphone ear pads from scratches, dirt, and sweat, significantly improving the durability of the earpads. HIGH QUALITY MATERIAL: Made of durable stretchable knit fabric, the ear pad protectors have a comfortable touch. They can also be hand washed. Dimensions: 6.26 x 3.11 x 0.39 inches.