Daymark 112043 Disolvable Labels dissolve at any water temperature in less than 30 seconds leaving no marks behind. This is a great way to label your foods without the hassle of trying to scratch off previous labels. These labels work from temperatures -40°F to 176°F (-40°C to 80°C) with a minimum application temperature of 21°F (-6°C). In order to make the labels compliant with the Earth as well, the labels are 100% bio degradable. The measurement for Sunday and Monday labels are 2 inches x 2 inches both coming in 250 labels per roll. Friday is 1 inch x 1.5 inches with 500 labels per roll. Saturday, Wednesday, Tuesday and Thursday are 2 inches x 2 inches coming in 250 labels per roll. Labeling your food just got a whole lot simpler.