HQRP Keyboard Dust Cover for Roland BK-9 FP-50 FP-80 Jupiter-50 Jupiter-80 RD-800 RD-300NX 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!