COMPATIBILITY: Fit perfectly on Beats Studio 2 Wired / Wireless and Beats Studio3 Over-ear Headphones by Dr. Dre ONLY.(DO NOT FIT BEATS SOLO On-ear Headphones) Made of high quality PU leather, durable and flexible, built in memory foam soft and elastic. Our cushions will conform to your ears for a personalized fit, ensuring you excellent bass and extreme comfort. Easy to install. Strong Adhesive 3M Tape included.