Yamaha SK88B Keyboard Survival Kit for YPG535, YPG635, DGX640

Contains everything you need to make using your Yamaha portable keyboard that much more enjoyable: a felt Grand Piano key cover and stereo headphones along with three DVDs including a full-length "Watch and Learn" DVD. Plus, you also receive a two-year extended warranty and over $200 of rebate coupons on great Yamaha instruments and accessories.