HQRP Elastic Keyboard Dust Cover for Casio WK-1500 WK-1600 WK-1630 WK-220 WK-240 WK-3200 Digital Piano Synthesizer + HQRP Coaster HQRP&reg; Keyboard Dust Cover plus HQRP&reg; Coaster; Dust Free Spandex Material Stretches to fit 76 or 88-key Keyboards; Comes Complete With a built-in bag, Plastic Cord and Locking Clasp; 200 days warranty!