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 you want, and then gently press the stickers until they are firm. Wide 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, packaging, birthday party decorations, Excellent Our stickers are materials, these stickers themselves are not easy to tear, using adhesives, not easy to off! Popular birthday stickers: All kids need birthday stickers. These birthday stickers will be your popular birthday party supplies. The package includes: 1 roll of happy birthday stickers. 8 unique designs. The diameter of each sticker is approximately 1 inch (2.5 for cm).