REUSABLE: Our chalkboard labels can be used over and over. Simply wipe with a damp cloth and re-write. The writing surface is smooth, allowing regular chalk or any liquid chalk marker to be used. Chalkboard labels are a fun DIY project. COMPLETE SET: A roll of 150 chalkboard labels (2.17 inch x 1.38 inch). The size allows you to cut these blackboard labels into different shapes. PREMIUM MATERIAL: High-quality waterproof chalkboard labels made from durable vinyl material. Matte texture with a clean writing surface that is smooth. Compatible with long-lasting, quick-drying markers that are safe and non-toxic. WIDE RANGE OF USE: 150 waterproof stickers suitable for jars, spices, wine glasses, crafts, party decorations, craft rooms, weddings, biscuits, bakeries, coffee shops, cans, garages, containers, homes, kitchens, offices, parties, and craft projects. Color: Black Material: PVC stickers Size: 5.5 x 3.5 cm Package Contents: 150 x Chalkboard Label Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.