Features: 1 This keyboard sticker is made of high quality transparent PVC by fine technology, and it is transparent and clear on the keys. 2 This sticker is made of environmentally friendly material and can be used repeatedly. It will not retain glue and will not hurt the keys in use. 3 This keyboard sticker is a good helper in getting familiar with the keys quickly, and it can help beginners to quickly cross the initial stage. 4 This sticker can be used for piano, electronic piano, hand roll piano. It is a universal sticker. 5 This sticker has two specifications to choose from, and you can choose the corresponding stickers according to your needs. 6 This sticker is made of environmentally friendly glue and sticks very clearly on the keys, just like printed on the keys, it is very easy to remove the sticker. Specifications: Material:Transparent PVC Feature:Transparent,removable Suitable for:Piano,electronic organ,hand held piano Weight:0.02kg/0.7oz/0.04lb Color:Black,colorful Number of Keys:37/49/54/61/88 key piano Gender:Unisex,men,women Type:Keyboard Sticker Package included: 1x piano keyboard sticker Packaged:opp bag