Give food and extra layer of protection without shrink bands or extra wrapping. Tamper alert tab sticks up when torn, displaying the "Do Not Purchase If Tab Is Torn" message on the lid. The 360° edged seal inhibits lifting the lid from the base without tearing the tab. It also provides a leak-resistant seal that maintains freshness. Feature bistro boxes, salads and endless snack combinations with crystal clarity. Perfect for grocery stores, grab-and-go counters and delis.