Excellent: Our stickers are materials, these stickers themselves are not easy to tear, using adhesives, not easy to Easy to use: These stickers are easy to stick on the back of the sticker; you just need to off and stick on the smooth and clean surface you want, and then gently press the stickers until they are firm Wide range of uses: Birthday stickers can be pasted wherever happy birthday stickers are needed, such as greeting cards, invitations, envelopes, birthday gifts, children ' s theme parties, cake boxes, candy bags, gift packaging, birthday party decorations Popular birthday stickers: All kids need birthday stickers These birthday stickers will be your popular birthday party supplies The package includes: 1 roll of 500 cute happy birthday stickers 8 unique designs The diameter of each sticker is approximately 1 inch ( 2.5 for cm