Elmer's Disappearing Purple School Glue Stick is the number one teacher brand, a favourite for easy, no-mess bonding. The Elmer's Disappearing Purple formula goes on purple so it is easy to see, yet dries clear, providing a strong bond. It works well on a variety school projects, crafts, and decorations. Elmer's Disappearing Purple School Glue Stick goes on smooth and dries fast and colourless. It is 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 fulfilment of consumers' inherent need to imagine, build and learn.