Protect your food by storing in vacuum-sealed food storage jar to keep fresher for longer; simply the lid to vents the air inside; this limits oxygen exposure and helps keep coffee from spoiling Superior keeps your dry goods safe in food storage containers PP+glass; hand wash canisters as integrated vacuum pumps are not dishwasher safe More than coffee stash peppercorns, spices, anything you want to keep fresher for longer in this food storage container The food saver not only adds a touch to your kitchen countertop; it ' s also a great helper for keeping food and coffee outdoors and travel Airtight to keep coffee or snacks free from, this is a completely sealed food can to stop air,, odors and other smells from seeping in; it will stay sealed for up to a month if left unopened