Goes on Purple, dries clear, Elmers Disappearing Purple liquid glue helps kids see exactly where they’re gluing while also drying clear for the perfect project every time! the liquid school glue applies smoothly and works great on a wide range of artist crafting materials. This Elmers glue is also washable for easier cleanup. Add on its safe, non-toxic formula and you can see why it’s part of the #1 teacher brand, Elmers - ideal adhesive for classrooms, homes and youngsters.