Universally compatible: Made from stretchable material, they can adjust to fit for all shapes and most sizes! Re-usable: No need to throw away after the first use as these fresh-keeping bags can be re-used! Safe to use: Made from food grade, transparent clean PE with a tight elastic seal, your food is in safe hands! Durable: These bags are not easy to tear! Disposable Food Fresh-Keeping Bag | Living Social | Living Social