Features: Piano keyboard stickers fit 88/61/54 key electronic keyboards with precise staff notation labels, helping beginners visually connect notes to keys for accelerated music learning. Crafted from PVC, these waterproof stickers feature not residues adhesion and scratch resistant surfaces that maintain clarity during intensive practice. Ideal for music teachers, students, and first time learners seeking intuitive tools to mastering music theory and improve keyboard navigation skills. Perfect for home practice, classroom instruction, or stage rehearsals where clear visual guidance enhances performances accuracy and confidence. Transform any electronic keyboard into educational powerhouses with these colorfast, repositionable stickers that simplify sheet music decoding while protecting instrument surfaces. Specifications: Material: PVC Single Size: Approx. 0.53x0.89inch(13.5x22.5mm) Package Includes: 1x Piano Keyboard Stickers note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.