... Made of silicone,easy to carry,waterproof, foldable,anytime and anywhere you can play it. 61/49 ... anytime!Are you the next Elton John? Learn to play piano with this inexpensive Rollin' Piano that ... keyboard can be rolled up, very convenient to carry You will be impressed not only ... music enthusiast, professional players, or people on the go!Standard 61 Simulation Keys,Sustain function, Vibration function ...