Elmer's Washable All-Purpose School Glue Sticks, 0.24 oz, Pack of 30 (E556). The Elmer's special formula goes on clear and dries clear, providing a strong bond that works well on a variety of school projects, crafts, and decorations. Elmer's Washable School Glue Sticks go on smooth and dry fast and colorless. They are acid-free, washable, safe and non-toxic. You can trust your best work to Elmer's. Through years of growth and innovation Elmer's has proven its longstanding commitment to quality and fulfillment of consumers' inherent need to imagine, build and learn.