Waterproof performance of waterproof backpacks: Some waterproof backpacks on the market have very poor performance. A little moisture or heavy rain will wet the contents of the bag, so when choosing a waterproof backpack, you must choose a bag with good waterproof performance. Of course, you can put on another rain cover.
Anti-scratch function of the waterproof backpack: the waterproof backpack must choose to be scratch-proof and rub-proof; when walking, it is inevitable that it will walk in some wooded places, and the bag is caught by the weed branches, or it is common to carry the bag Rubbing can also occur when resting against a wall and tree poles. If the waterproof backpack is of poor quality, it can easily break.
Tear-resistant performance of waterproof backpack: When choosing a waterproof backpack, you must choose a waterproof backpack that is tear-resistant; when traveling outdoors, we bring the tents, cooking utensils, etc. in the backpack. If the quality of the bag is not good, pack half of the things. It may tear too much, or during walking, as the body shakes, the body of the bag cannot bear the weight of the things in the bag may cause tearing.