If you are looking for a professional , then your research is here. That's because our products can meet your needs. Using good materials, practical and durable. It is not easy to deform, which brings you a lot of convenience. Features -Color:Black -Material:Plastic -Size:31.00X23.50X2.60cm/12.18X9.24X1.02in - A book of music files can be used for many purposes, and can be used as a picture folder or a file folder. - Provide more comfortable grip and durability for most user, let your play your musical instrument more conveniently. - Use music flip book for piano, violin, guitar, flute lessons, or band, choir, orchestra practices, for indoor or outdoor occasions. - Made of good material, is lightweight, strong and durable, and can well protect the document. - An assistant who helps you keep your files tidy and well organized, this is perfect for business and learning. Package list: 1 x 40-pages