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; conforms to ASTM D 4236.