... Plastic vacuum container/box Great for meat,cheese,salad,fruit and vegetables,etc Microwave,dishwasher safe Patent,2002/72/EC Plastic vacuum ... , and press on the lid to force air out2.Vacuum seal valve forces air out, but won't allow ... and vegetables, bread, and more4.Microwave, dishwasher, refrigerator, and freezer safe5.Designed to work with a vacuum sealer together Plastic vacuum container/box