Size is approx. 1.0 by 1.0 by 1.0cmAdditional product info:This is a decoration sticker perfectly suited for smartphone size and can be inserted into clear cases for smartphones. It is water-resistant and safe to adhere to smartphones. Each set contains 3 stickers. Due to the strong adhesive, the sticker cannot be reapplied once removed. When peeling off, there is a possibility of peeling paint, glue residue, or damage to the product. If left applied for a long time, the area where it was applied may discolor. If the adhesive surface is made of glass or has been fingerprint-proofed, it may come off easily, so please be careful. Smartphones and tablets are not included.