Show off your mouth-watering baked goods, sandwiches, salads, frozen foods and more with Dart's StayLock® clear hinged lid containers. Containers feature dual bar-locks for secure closure, a label window for placement of a tamper evident seal, and sidewall ribbing for extra strength and durability. All features which ensure not only your product's visibility, but its protection as well. OPS material has crystal clarity for superior product visibility as well as being flexible, yet durable to maximize strength and reliability.