High Quality Materials The food sealing cover is made of food grade PP plastic, which is safe, strong and non-deformable, and can be used tens of thousands of times. .Discharge Nozzle Design Our food seal cap has a discharge opening. You can install the sealing cap on cereal, coffee and spice bags, and open and close the bag easily, just like a bottle cap. .Easy to Install The sealing cover is divided into two parts, the transparent part is installed inside the bag and the rest is fixed from the outside of the bag to complete the installation. .Easy To Use The closing cap comes with a bottle mouth and the cap is airtight. For small items, you don't need to remove the closing clip when removing the items from the bag, just open the cap and empty it. .Widely Application Whether it's storing unfinished snacks or installing a bottle mouth for your spares bag, it will be a good helper in your life and save your time. It is suitable for oatmeal, coffee beans, nuts, beans and candies. .