Bag-in-box also known as BIB, flexible inner bag made of multi-layer film, a sealed tap switch, and carton. It has been widely used in the storage and transportation of fruit juice, dairy products, egg liquid, wine, purified water, edible oil and other products. Bag in box is gradually replacing traditional hard packaging as flexible packaging for consumer goods, and is gradually becoming popular all over the world. As a professional bag-in-box manufacturer in China, UNIPACK offers the best wholesale bag-in-box for wordlwide customers.