HQRP Elastic Keyboard Dust Cover for Casio CDP-220R CDP-230RBK/SR CDP-230RBK CDP-230 CPS-7 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!