Don't add unnecessary dirty dishes to your chores after cooking your meal. You can cook, serve and store in one cookware without having to use a single pot or pan. Glasslock food containers are the perfect choice to store food and cook food in the microwave. Pop the leftovers in the fridge or the freezer without the need to transfer them to a new container. You can reheat the leftovers again the next day. The four latch lids snaps in place and the silicon gaskets ensures the containers are airtight and leak-resistant, so you can bring food anywhere and won't have to worry about spillage in your bag or car. The clear glass lets you easily see what is inside. Cleaning up is a breeze; no smell or residue will be left. glasslock comes in a variety of sizes and ; shapes. The different sizes in each shape (round, square and ; rectangular) are nestable in your cupboard when not in use to save on storage space, as are the round mixing bowls; great news for kitchenware junkies with cupboard space.