Elastomeric seal design: The universal food charlotte bag has a telescopic opening that is compatible with bowls and plates of all shapes. Latex elastic creates a tight elastic seal that keeps food fresh longer and keeps dust and air out. Safe and high quality material: The cling film bag is made of highly transparent PE material, which allows you to quickly see the food under the fresh storage bag. The material is safe, has better bearing capacity, is not easy to break, and is durable. Ease of use and portability: The reusable cling film is small in size, does not take up space, is easy to carry and store, and can be taken on a trip, picnic or camping. The opening can be stretched up to 25cm, easy to use! Various uses: Fresh storage bags can be used not only for food storage and preservation, but also as shoe covers, storage bags, garbage bags, etc. Very convenient and more convenient than traditional plastic wrap.