Incredibly tough and versatile, Gorilla hot glue sticks provide a long term hold even on hard to bond surfaces. Clear adhesive works with both high and low temperature glue guns and features an extended working time for added convenience for all types of projects. Weather resistant - suitable for both indoor and outdoor use. Use high temperature guns for strong bonding on wood, plastic, metal, glass. Use low temperature guns for bonding on delicate materials such as fabric, floral, foam, and jewelry. 45 second extended working time.