Food storage containers suitable for freezing and heating. Packed with features to preserve the deliciousness of freshly cooked food. These are used, but I am selling them due to needing to declutter. - Type: Freezer storage container - Features: Microwaveable - Point 1: Preserves the deliciousness of freshly cooked food without cooling it down. - Point 2: Convex bottom for even heating. - Point 3: Double-layered structure that allows steam to pass through and circulates moisture. - Point 4: Ridges on the underside of the lid to distribute moisture. - Model number: PPS-6201 No case included. There are a total of 4 containers. Thank you for looking.