It Made of silicone,easy to carry,waterproof, foldable,anytime and anywhere you can play it. we are the chinese largest flexible keyboard and roll up piano producer. Meantime,we have already become the dependable partner with many many famous customers,such as Walmart,Carrefour,GE,Jay-Tech,Multilaser,Media-Tech and Intel etc. Until now we have accumulated more than 11 years experience in this ...