Bilipala Waterproof Black Chalkboard Labels, Chalkboard Stickers for Mason Jars, Set of 80 80 reusable black chalkboard labels and each one is 2 inches * 1.4 inches, there are 8 different shapes. Each package has 10 sheets of paper and 8 chalkboard labels on each sheet. These waterproof chalkboard labels can be used with chalk, markers and paint pens, and have passed environmental testing without any toxicity. It is easy to use and can be reused. Peeling chalkboard label off and posting on a smooth surface. These chalk fonts above chalkboard stickers can be erased. These chalkboard labels have a wide range of applications: the kitchen, storage room, bathroom, toilet, garage, classroom and wedding party decoration; they also can be attached to the tank, mason jars, cups, glasses and other utensils. Labels use the environmentally-friendly waterproof PVC material.