Home, Furniture & DIY. Vehicle Parts & Accessories. Business, Office & Industrial. Clothes, Shoes & Accessories. Electronic Piano Case Storage Case Waterproof Fittings with Pocket 88 Key. The Electronic piano case is made of high quality Oxford cloth, which is durable, lightweight, wear resistant and waterproof. The keyboard case has large pockets on the outside, which can store books, sheet music, power supplies and other accessories, and the thick pad inside can protect the keyboard from damage. 2 pull zippers allow the bag to be unzipped lengthwise from the center. The pull is smooth, no stuttering. 2 Ways to Carry? Keyboard cover can be handheld, shoulder strap, and adjustable, very ...