The Ultra Series is built to last, offering 50% more power (20w), making it the best glue gun yet! Features and auto shut off after 30 minutes of non-use. This 6x7.5 inch package contains one 8.5x7 inch 100 watt dual temperature glue gun. WARNING: This product can expose you to chemicals known to the State of California to cause Cancer and Reproductive Harm. www.P65Warnings.ca.gov. Imported.