HQRP Elastic Keyboard Dust Cover for Korg 61-Key 76-Key SP-200 Pa500ORT X-50 KingKORG Karma Digital Piano Synthesizer + HQRP Coaster HQRP&reg; Keyboard Dust Cover plus HQRP&reg; Coaster; Dust Free Spandex Material Stretches to fit 61 or 76-key Keyboards; Comes Complete With a built-in bag, Plastic Cord and Locking Clasp; 200 days warranty!