Maintain integrity of leftovers with 9" vented, hinged containers. Easily serve various dishes, from burgers and fries to crispy salads, in containers you can stack to simplify inventory. Crush-resistant polypropylene material accommodates hot, cold or frozen foods. Safely store leftovers in your fridge or reheat in the microwave. Improve takeout and delivery operations with easy one-step closure and audible snap.