Travel bags are available in four types: small, medium, large and extra large. Vacuum travel bags of suitable size are selected according to their use. Generally, small bags can hold 6-8 sweaters, cotton clothes, down clothes, etc., medium bags can put 10-15 clothes or pillows, thin cotton quilts and sheets; large bags can put a 6-8 kg 1.8*2 m double quilt, or more than a dozen sweaters, several down clothes; super bags can put two 1.5*2 m quilts or an 8-10 kg quilt. 。
According to the type of use, vacuum travel bags can be divided into hanging type, three-dimensional type, hand-pressing type, roll-pressing type and box-type compression bag. The hanging type is used for the collection of hanging clothes in wardrobes, which can hang five coats; the three-dimensional type with a base is more convenient to place, and it can put 15 clothes and two thin quilts; the hand-pressing type does not need a suction tool, but uses the hand-pressing method to exhaust after collection; the roll-pressing type also does not need a suction tool to exhaust air with a hand-rolling bag, which is suitable for traveling clothes. The box-type compression bag is the product of two-in-one of the three-dimensional and the receiving box.
There are two kinds of common vacuum storage bags on the market, one is PA+PE, which is made of nylon+plastic. The vacuum storage bags made of this material are soft, low temperature resistant and more durable. The other is PET+PE, which is made of polyester+plastic. It is easy to crack at low temperature and is not suitable for use in cold areas. We should pay attention to comparison and identification when buying.

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