Features: Piano keyboard stickers with printed sheet music notation fit 88/61/54 key electronic keyboards, providing visual note guidance for accelerated music learning and practice. Crafted from durable PVC with removable adhesive, these waterproof stickers apply smoothly, reposition easily, and leave not residues when removed. Ideal for music teachers and beginner students learning piano fundamentals, these stickers simplify note recognition during lessons and own practice. Perfect for daily practice, recital preparation, and live performances where quick note reference enhances playing confidence. The color coded staff lines and keyboard alignment create an engaging educational tool that transforms tedious music theory into interactive visual learning. Specifications: Size: Approx. 10.83x7.87inch(27.5x20cm) Single Key Size: Approx. 0.63x1.69inch(1.6x4.3cm) Material: PVC Package Includes: 1x Piano 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.