Description Made of high-quality material, waterproof and tear-resistant. It is lightweight and thin, hand-roll design, easy to carry and use. Precision size same as standard piano keyboard. Great for beginners to learn basic principles about piano keys. Features - Color: White and black. - Material: Paper. - Size: 124.00X19.00X0.10cm/48.73X7.47X0.04 inch. - It is suitable for beginners fingering practice, helping beginner piano friends to quickly and clearly understand the keys. - According to the real piano key ratio design, it can effectively improve the learning efficiency of beginners on the piano. - Waterproof, dustproof, anti-ink, can be hand-rolled, no creases, reasonable key spacing, black and white keys. - Can be used as piano reference table for students to practice piano, but also for teacher teaching. - Clear printing, can greatly improve children's learning interest, get started quickly.Package list: 1 x practice paper