Make any container airtight with Fresh Tops. Tired of trying to find a lid that fits, or fighting with plastic wrap or foil? Fresh Tops as seen on TV are the perfect answer, they stretch easily over serving bowls, dishes, jars, can and mug to seal tight for secure fit helping to keep food fresher longer. Works over plastic, glass, metal, or ceramic contains. Ideal for leftovers, unfinished drinks and more. 100% food grade silicone. Dishwasher and freezer safe. Set fits any 3-10 container. Include one top each - 2.75 dia., 4 dia., 5 dia., 5.75 dia., 6.75dia., 8.25 dia.