Elmer's extra strength glue sticks are everyone's favorite for easy, no-mess bonding. The extra strength formula bonds clear and strong and works on a variety of paper types, including cardboard, foam board, display board, computer paper, and more. Each Elmer's extra strength glue stick goes on smooth and dries fast, clear and colorless. 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 fulfillment of consumers' inherent need to imagine, build and learn.