These reusable storage bags are made of environmentally friendly and recyclable materials, silicone. And it's ideal for cured meats, meals, frozen foods, and are also ideal containers for sandwiches, snacks, lunches, vegetables, fruits, and baby food. It can isolate the spread of food odor while keeping food fresh and delicious. It helps to make your refrigerator clean, clear and smell good. (This product is 500ml, and we can also customize other sizes.) 7 11/16" L x 5 7/10" W