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Sealing cover is designed to bring convenience to our daily life. It is used to seal and vacuum in daily life. People often have grain or rest food which need to store hermetically. Sealing cover will help you. As long as we put the ring on the mouth of the food bags, tighten the lid, plastic bags will become hermetical perfectly at once. Whats more, you can also install the previous season's clothing in the pocket, seal it with the sealing cover, and then remove the air in the plastic bag with the air pump. Plastic bags will become vacuum bags.
With the sealing cover, any normal plastic bags can be used as sealed bags or vacuum bags.
Chen Qian Zhao Wan Ru