Empty food containers can be stacked inside one another to save spaceMicrowave-safe; heat food up to 212��F. Freezer-safe; Dishwasher-safePolypropyleneBPA freeIncludes: 2 food containers (101oz+10x7x4")， 3 food containers (30oz+6x4.5x3")， 2 food containers (14oz+6x4.5x1.5")， 3 food containers (13oz+4.5x3x3")， 3 food containers (7oz+4.5x3x1.5")， 2 food containers (44oz+6x3") and 2 food containers (22oz+6x1.5") All be measured by hands，there will be small errors，please note.Can be used in Microwave，heat range as -20~140��Environment friendly，Green and easy cleaning.