Elmer’s All Purpose Glue Stick is convenient and easy for the home and office. It is ideal for computer paper, foam board, display board, cardboard and more. This glue dries fast, clear and colourless and is washable, non-toxic and acid-free.Goes on Purple, Dries Clear! Great for Kids! Purple colour is easy to see when applying, but dries fast and colourless. Washes easily off hands and out of clothes. Acid Free.