Our set of 100 clear food bowl storage covers are stretchable, they can be adjust to fit for all shapes and most size (square, rectangular, round ) of cups, bowls, plates or other food containers. It provides tight elastic seal for keeping food fresher for longer. You can choose these plastic food covers for family gatherings or picnics to block dust and greatly helps to make food preparation and leftovers storage a breeze. Perfect for you to enjoy the outdoor picnic.