[Material Safety] It is made of food-grade plastic material, which is safe and harmless. It can be directly contacted with food without affecting the health of you and your family. [Packaging] 200pcs fresh-keeping bags are light, small in size and convenient for storage, and Disposable use will not leave bacteria in the fresh-keeping bag. [Easy to use] The fresh-keeping bag has an elastic band, which is suitable for various food containers, including bowls, cups, glassware, food cans and small pots; They can directly stretched so that when fixed on the top of the container, they form sealed environment keeps your food fresh, dust-proof and clean. [Simple placement] Put the container in the air or put it in the refrigerator together with the food to keep the food fresh; Do not put it in the oven, oven and microwave with the container for heating and keep it away from open flames. [Wide Application] The fresh-keeping bags are freshness and water-proof surface and protect foods such as watermelon, lemon, onion and other fruits and vegetables from dust, insects; You can use them to cover Fruits and Vegetables to Dust-proof at parties or picnics, and then Chat with your friends and family Happily.