Description Made of high- quality material, waterproof and tear- resistant. 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.- 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,, 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.- Color: White.- Size: 124x19cm. Package Including 1 x practice paper