Bring bigger ideas to life with the stronger bond of elmer?s extra strength school glue sticks. 2x stronger than elmer?s Disappearing Purple glue sticks, this all-purpose glue sticks to way more stuff than just paper. Going on Purple yet drying clear, you can see exactly where you?re attaching charts, pictures, buttons, fabric, and more! the ideal school glue, elmer?s glue sticks feature a washable, safe, nontoxic and acid-free formula that?s photo safe. Tackle tough arts and crafts projects that require a strong bond with elmer?s extra strength glue sticks.