Product Name: Ruled airtight containers K7286 size: 21*21*4.5cm Materials: PPHigh heat resistance package: OPP weight: 190g Colour: FIG. summary: Food grade PP material, environmentally benign, three grid segmentation, classification placed no odor, fresh, fruit, snacks, etc. can be put, microwave, freezer may be When using a microwave oven, the vent into the open for long term use