Product Parameters: MaterialVinylItem Dimensions L x W x H 5.5 x 3.5 x 0.1 cmShapeSquare: 300 piecesPackage Included: 300 pieces Black Chalkboard StickersProduct Material: Waterproof chalkboard stickers made of durable vinyl material. The ink dries quickly. The matte texture is finished with a clean, refrigerator-safe, long-lasting adhesive.Erasable & Reusable: Extremely strong, durable and reusable. Can be wiped off again with appropriate water-soluble pens and written on again. The labels can also be easily removed without leaving any residue.DIY Custom: Personalized sticker labels are must-haves to decorate special occasions like Christmas, birthday, cocktail party or weddings. You can cut it into the shape you want, have more choices, and let your imagination and creativity flow.Wide range of uses: Great for jam jars, mason jars, storage boxes and jars, freezer boxes and bags, scrapbooking, folders, great art and gift stickers for kids and more.