The Weatherproof Polyester Laser (LP) is commonly used for food containers that are refrigerated or frozen. The adhesive is graded for indirect food contact and complies with FDA regulation Title 21 Section 175.1054. If you'd like to try samples of the material to test with our containers, you're welcome to visit the link below to request a few sheets at no cost. https://www.onlinelabels.com/samples