Size is approx. 1.0 by 1.0 by 1.0 cmAdditional product info; This is a decoration sticker that fits perfectly in a smartphone size and can also be inserted into a smartphone clear case. It is water-resistant, so it is safe to stick on your smartphone. Each set contains 3 stickers. Due to the strong adhesion of this product, it cannot be re-stuck. When removing, there is a possibility of damage such as peeling of paint or glue residue on the surface, and damage to the product itself. If stuck for a long time, the applied area may discolor. Please note that if the sticking surface is made of glass or has anti-fingerprint treatment, it may peel off easily. Smartphones and tablets are not included.