DuraMark Labels have an aggressive adhesive capable of permanently adhering to any surface. Moisture resistant and safe for the freezer. DuraMark Labels are helpful labeling solutions for disposable containers, boxes, and portion bags. With Day of the Week Labels Deli Labels and Food Labels DuraMark labeling systems assist in safe food rotation and following HACCP protocol Great For Food Rotation and Preparation Containers and Portion Bags. Permanent adhesive, aggressive adhesive that works on any surface. Working Temperature Range - Minus 40 to 71 Degree C Minimum Application Temperature - Minus 12 Degree C