Features: brand new and high quality Size: Suitable for all 88/61/54 for key pianos and keyboards. Premiu for m and durable. Never Fade: The letters are printed on the backside of the transparent sticker, so they can withstand constant impact of fingers, will be for always legible and never fade. No Glue Left: The adhesive on the backside is durable, can be removed / pasted many times. Leaving no residue on piano keys, no harm to keyboard completely . Great Feeling: The sticker has a smooth surface and no resistance, making it comfortable when practicing techniques such as portamento and arpeggios.Piano for key stickers are very thin and you can barely feel them when you for play the piano. Simple to Read: The piano letters are large enough, clear, and simple to read, kids feel joyful to learn the piano and memorize note positions. Excellent for beginners and little for masters. Specifications: Material:Stickers Size:as Picture Shows Note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set x Piano Keyboard Sticker.