Size is approx. 1.0 by 1.0 by 1.0cmThis is a decoration sticker that perfectly fits smartphone size and can be inserted into a clear case for smartphones. It has a waterproof design, so you can stick it on your smartphone with peace of mind. Comes in a set of 3 sheets. Since this product is a strongly adhesive sticker, it cannot be re-stuck. When peeling off, there is a possibility of paint peeling off the attached surface, glue residue, or damage to this product. If left stuck for a long time, the location where it was applied may discolor. Please note that if the attached surface is made of glass and has anti-fingerprint treatment, it may be easy to peel off. Smartphones and tablets are not included.