Description: Colour as shown Material: PVC Size: note bar length 4cm/1.57 inches, black keys: 1.3*3.5cm/0.51*1.37 inches Weight: 24g 1. New design: a brand new alternative to the piano keyboard sticker, no glue required and easy to install in one piece. You can easily remove it once you get use to the position of the keys. 2. Colourful large letters, the keys on each keyboard note of the piano sticker are colour coded to aid identification and memorisation, the larger letters are easier to identify for kids and beginners to solve the problem of small letters being hard to find when playing. 3. Easy to install. Find the middle C key marked on the piano key label, corresponding to the same key on the piano. The same key on the piano is then superimposed on the keyboard to flatten the notes. 4. A gift for children , piano keyboard stickers are great teaching tools and a great gift. Points to note 1. As you know, different computers display colours differently and the actual colours may differ slightly from the images below. 2. If you find it difficult to choose a size, you can always contact me and we will give you some advice, but for reference only. 3. 3. We can accept orders for mixed items, colours and sizes. 4. Please allow for slight variations due to manual measurements, the above sizes are for reference only. This product includes 1pc Piano keyboard sticker