Most super glues dry out after having been used only once. With the unique patented drip-proof， clog-proof applicator， SureHold super glue is guaranteed to keep glue fresh for 12 months after opening. The pen pointed nozzle makes it easy to glue a variety of materials in some of the most difficult to reach places. Bonds plastic， rubber， porcelain， glass， metal， and many other smooth surface materials.