1Accurate Size: This piano keyboard practice paper features complete 88 keys, 1:1 scale piano scale, total length of 124cm, precise size to ensure compatibility with standard piano keyboard. 2Copperplate Paper: The piano key practice note is made of excellent copperplate paper with double sided frosted film, which is waterproof and dustproof, and not contaminated by ink. 3Convenient Use: This piano keyboard practice paper is lightweight and easy to carry. When not in use, simply remove and roll it up, which is helpful for beginners and piano lovers. 4Multiple Usages: This piano keyboard guide note helps beginners understand piano keys and learn the basic principles of piano keys, making it suitable for kids students and beginners. 5Colorful Notes Labels: This 88 keys piano exercise note uses bright color coding, which is clear and intuitive, with simple notes and keys to help quickly recognize and remember. 1 xPianoKeyboardExercise Paper