HQRP Elastic Keyboard Dust Cover for Yamaha CP5 CP4 DGX-520 P-100 P-120 DGX-505 DGX-500 DGX-630 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!