Natural rubber carton sealing tape provides the most consistent reliable box closure and the “most aggressive” adhesive of any pressure sensitive tape. Natural rubber packaging tape has the largest application temperature range of 0° - 150°. Natural rubber quickly penetrates and grips corrugated, saving “rub down” time. Moisture resistant packaging tape tolerates humid and damp conditions. The Best & Only Natural Rubber Carton Sealing Tape Made in the U.S.A.