DayMark Blank Dissolvable Label, 1" x 1" (Roll of 500) Label and adhesive dissolves completely in any water temperature within 30 seconds, leaving behind no adhesive residue to harbor harmful bacteria Labor saving solution for labeling reusable containers Working temperature range -40 to 176 degrees F; may be applied in temperatures above 21 degrees F Blank labels allow crucial information to be written Minimum application temperature is 21 degrees F