Glue stick delivers permanent adhesive that securely fastens paper, cardboard, photographs and more for great crafting, scrapbooking and other projects. Large size lets you apply glue to more surface area at once. Simply lift the cap and twist the base for easy application. The photo-safe formula is acid-free and won t harm precious materials. Adhesive washes easily out of clothing. ACMI certified glue conforms to ASTM D 4236.