About this item COMPATIBLE: These ear pad sweater covers are compatible with a variety of headsets featuring 1.57 - 3.14 inches ear cushions. (Note: Not compatible with models that have 3.2-4 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 earpads' durability. HIGH QUALITY MATERIAL: Made of durable stretchable knit fabric, the ear pad protectors offer a comfortable touch. They are also hand washable. Dimensions: 4.06 x 2.2 x 0.55 inches.