Krazy Glue craft gel formula is a quick-bond adhesive that works well on porcelain pottery wood plastic rubber metal and glass. The tubes come with a fine tip to allow for precise application. This paste will bond any two surfaces together. The no-run gel formula allows for gluing vertical surfaces without a drippy mess. Just twist the self-piercing nozzle on the Elmer s glue gel to open use and throw away. This is the most efficient way to use super glue. With these single-use disposable tubes you can use what you need without worrying about the rest of the tube drying up. Krazy Glue Singles also come with a convenient storage case to keep your craft supplies organized.