Homemade Strawberry Jam Jelly Mason Jar Labels by Once Upon Supplies, 2" Size for Regular Mouth Canning Jars, 40 Pcs ADHESIVE BACKING will stick to most flat surfaces, including glass, metal, wood, paper and plastic IDEAL for strawberry jam / jelly labels for canning jars, homemade jam labels, jelly labels USE THEM ON regular mouth mason jars, set includes 40 labels SAVE 10% when you buy two or more items from Once Upon Supplies DIMENSIONS: 2" x 2"