HQRP Elastic Keyboard Dust Cover for Yamaha PSR-E223 PSR-E233 PSR-E244 PSR-E303 PSR-E313 PSR-E323 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!