Material: nylon plastic Color: transparent Size: 20 * 500cm, 25 * 500cm, 30 * 500cm Quantity: 2 pieces Package Contents: 2 * Food Preservation Vacuum Bags 1. Keep food fresh for a long time These film roll vacuum bags with extra long vacuum rolls have an embossed air channel that allows maximum air suction to keep your sealed food fresh up to six times longer than other storage methods. 2. Different size and free size customize With 3 different sizes: 20 * 500cm / 25 * 500cm / 30 * 500cm, not only can these vacuum bags be put in vacuum-saving channel, but you can freely cut any size you want and different storage needs for you, no need to worry about the inadequate size to wrap food or other files, medicines, etc. 3. Multiple use Designed with high quality BPA-free material, allow it for home and commercial use, such as keeping fresh or cooked food in the freezer, simmering and vacuum cooking sous vide. 4. Great durability Improved multi-layer structure, the vacuum bags have a stronger seal and toughness to isolate oxygen and bacteria. This allows the bags to be reused after cleaning to save more money. Note: The vacuum bag is not damaged and can can be reused. 5. Nutrient and Flavor Retention The vacuum bags can block oxygen and moisture after vacuum sealing, this allows us to store fresher fruit, vegetables, cuts of meat, fish and more more safely! Give us more fresh and nutritious foods.