\"Zip Top are better for you and the planet as they’re an easy and eco-friendly way to store food, manufactured using 100% platinum silicone, one container replaces over 5,000+ plastic bags.Free standing on a flat base, open wide top and convenient pour corners, Zip top containers are designed for storing leftovers, eating straight out of, mixing ingredients and pouring sauces or liquids.With a zippered top, close the containers to store in fridge/freezer, warm up in the microwave and use for travelling in a main bag. Contents will remain fresh and non-hazardous as the silicone is BPA free and food grade safe so no harmful chemicals will leach.\"