Mini Self-Laminating Calibration Labels By SmartSign | 200 Labels/Pack, 0.5" x 1" Self-Laminating With a tough-bond adhesive backing, this label can remain adhered for up to two years. These rugged labels are simple to remove, if necessary. Your mini-labels will last through temperatures up to 180 degrees Fahrenheit. Mini labels fit into tight, unusual spaces and are ideal for small tools.