Valentine's Day and More: Everyone loves heart stickers. Use these Valentine's Day hearts to pass out to children at school parties, place them on invitations to seal envelopes, use them for crafts, notebooks, cell phone backs and for school walks. consciousness of the heart. Just place one on your t-shirt to show your support. 500 Hearts: Lots of hearts on a roll. They measure 2.5 cm. They are die cut in a special heart shape and are easy to peel off the roll by hand and apply to almost any flat surface. There are 500 on each roll, but we provide around 5-10 extra to make up the little sticker we use to hold the roll together. Semi-Gloss Paper: The material we use to create these heart-shaped labels is a semi-gloss paper. This is a paper with a very light sheen on top to help protect against small water drops and regular product wear. We make these hearts with eco-friendly water-based ink. Don't worry, the ink is completely dry and no smudging. Clothing safe adhesive: they are made to stick well to clothing and come off without leaving any residue or damage to clothing . Place them on everything from card stock to polythene bags and even t-shirts. External dimensions: 6cm; core size: 2.5 cm.