DayMark Safety Systems Shelf life labels have space to record the important information used to ensure proper food rotation labeling. Label dissolves in any water temperature in less than 30 seconds with no adhesive residue. FDA-compliant for indirect food contact. DissolveMark shelf life labels are a safe labor-saving method of food labeling. DissolveMark Labels have a working temperature range of -40 to 176 degree F. A small "DM" is placed on the label to eliminate confusion. Minimum application temperature is 21 degrees F. 125 labels per roll.