Hot glue is a form of thermoplastic adhesive, it is designed to be melted in an electric hot glue gun. The glue is melted when hot and solidifies in a few seconds to one minute. It has been widely applied to bond and assemble wood, plastic and glass parts because of its rapid bonding feature. This pack comes with 5 hot glue sticks. Features Transparent Environment friendly 27mm in length, 7.2mm in diameter