The dimensions: the hermetically sealed bags measure 350 x 450 mm and are also available in different sizes suitable for every need. Its zip closure is hermetic. Different uses: hermetically sealed bag for freezing food, for storing and preserving objects in perfect condition. Storage bags for air travel. Reusable snack holder. Also perfect for storing a mask. Great protection: transparent plastic bags with self-closing ideal for isolating the contents from anything that could damage it such as small bumps, liquids, etc. Also perfect for transporting and shipping. More uses of bags: store candies, nuts, vegetables, spices, coffee beans, clothes, cereals, pet food, small parts, collectibles, etc.