420D oxford cloth, durable and sturdy
Size: 61Key (98 *42 *19CM / 38.6″ *16.5″ *7.5″ INCH),88Key (134 *29 *19CM / 52.7″ * 11.4″ *7.5″ INCH), fits most keyboards
Fits most 61/88 Key keyboard 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