... roll up piano 1.Material:silicone,waterproof / foldable 2. Style: 49 keys 3. Good gift for child Silicone hand roll up ... piano1. 49 keys: 6 demonstration songs, 16 tone colors, 10 rhythmsKeyboard size ... include: electronic pianox1 manualx1 AC adaptorx18.Payment Term: T/T 49 keys silicone roll up piano 61 keys siiicone roll up ...