With Unique Twist Cap the UHU Blue glue stick never dries out. The convenient, clean and solvent-free glue stick that lets you see where the glue is. Its colour is visible upon application but becomes clear when dry. Glues paper, thermal papers, cardboard, labels, Styrofoam. Fast, durable and economical. Its unique screw cap prevents from drying out. Spreads easily and sticks immediately. Washes out easily with cold water. For use in the home, at school and in the office.