PLASTIC-FREE: 100% food-grade silicone bags durably constructed from 1 piece of silicone, with no chemicals, glues, or adhesives; Materials exceed US food-grade standards and are safe for dishwasher, microwave and freezer A BETTER BAG: The average American family uses 500 disposable plastic bags per year — the Porter Bag can change that; Clear front lets you view and mark the date and contents, a pop of color on the back panel adds flair