Upgrade Design -- NO GLUE keyboard notes overlay can One key opening and closing.No extra time and effort is needed. The piano key stickers are easy to place, and easy to remove when finished practicing.Colorful Coded -- Each keyboard notes on the piano keyboard 88 keys for keys removable are color coded to help kids and beginners identify and memorize them quickly and easily. Perfect for beginners that are trying to learn notes quickly and effectively.Full 88 Keys -- Piano notes stickers covers the 88 keys of the piano, universally suitable for all kinds of 88-Key grand pianos, upright pianos, digital pianos and keyboards, which is scale 1:1 to a real Piano.Easy to Install -- Just find the middle C key marked on the piano key labels to correspond the same key on the piano, and then flatten the keyboard notes overlay. Piano key stickers is easy to place, and easy to remove when finished practicing.Application -- Know someone learning piano? This is the perfect accompanying gift to help them get playing straight away. An ideal for piano players of all levels.Material: Silicone,88-Key full-size/61-key piano keyboard for grand pianos, upright pianos, etc. with removable labels for reuse.