PREMIUM QUALITY MATERIAL--- This keyboard dust cover made of high quality waterproof materials. Material is 87% nylon 13% spandex that is durable and washable. Perfect valentines day gifts for her, wife, girlfriend and daughter. DIMENSION&PERFECT FIT FOR KEYBOARDS--- 98*42*16cm/134 *29 *19cm , fits most 61/88key models. With an adjustable elastic cord and stretchy material that helps for perfect fitting. This goes on easily, fits snuggly, stays secure, and simple to take off. PROTECTS YOUR INSTRUMENT--- It is designed to keep dust and moisture from settling on your instrument. No residue from the material is left in your keyboard once you remove the cover. Essential for protecting your digital piano or keyboard from damaging dust and other hazards. DRAWSTRING DESIGN & BOOK-STAND OPENING--- Constuctioned with Zippered Book-stand opening With the adjustable elastic cord, this piano dust cover fits over the keyboard without taking the music stand.