These 2.2" x 6.25" TamperSeal Tamper-Evident labels from DayMark adhere to most any packaging material safely and securely. Each label has security slits that cause the label to lose their integrity if someone attempts to open the container. If the seal is broken upon delivery, it is a clear indication that the food may have been tampered with. Model #: 118676 Ensures food is appropriately labeled and handled during delivery Aggressive adhesive keeps label attached to package Security slits prove food hasn't been tampered with -compliant for indirect food contact Working temperature: -65° F to 160° F Minimum application temperature: 35° F