Our piano keyboard cover is made of high quality polyester fabric with an adjustable round elastic band at the bottom. This keyboard cover wraps tightly around your keyboard to prevent hair, pet fur, dust and food residue from interfering with your keyboard, keeping it neat and tidy. This piano keyboard cover is printed with designer style pattern, different from traditional black and white monochrome piano cover, more fashionable and beautiful. Our piano dust covers are fitted stretch fabric covers. You can wrap your sheet music and electronic piano together for greater convenience and neatness. Piano keyboard cover size S fits 61 keys electronic piano, size L fits 88 keys electronic piano. Suitable for most 88-key keyboards, such as YAHAMA, Casio. installs in seconds. CARE ADVICE: Hand or machine washable, easy to clean. OUR PROMISE: We will be happy to serve you in case of any problems. If you have any questions, please feel free to contact our service team. Note: This size data due to different measurement methods, the error within 1-2cm is normal.