Keep your leftovers frozen and freezer-burn-free in these reusable containers. No need to worry, your lasagna will taste just as good in a week as it does fresh from the oven. Airtight food storage containers extend the lifetime of your leftovers and reduce mess. Perfect meal prep container for the lunch box packing expert, or freezer-filling guru. Won't melt or warp in the microwave, making it easier than ever to keep your kitchen mess-free. Store, heat, and eat meals or snacks right out of GladWare. Interlocking lids alleviate the frustration of a endlessly searching for the right size lid for each plastic container.