Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
the purchase of sleeping bags
Before buying a sleeping bag, ask yourself these questions? What is the low temperature in the environment where I am participating in the activity? Do I really care about weight? How much am I going to spend? If you only want to use the sleeping bag in an environment above 0 degrees, you may wish to choose a lower temperature, such as -3 degrees or -5 degrees. If your cold resistance is weak, it is recommended that you also choose a sleeping bag with a lower temperature index. After all, it is much easier and safer for us to deal with heat than cold.
When using a sleeping bag, pay attention to keeping it dry, because the warmth of the sleeping bag is greatly reduced when it is wet, especially the down sleeping bag, which will not keep warm at all. So in heavy rain or water activities, protect the backpack from water, or seal the sleeping bag with a waterproof bag in advance. After the sleeping bag is damp, it should be dried or air-dried as soon as possible when conditions permit. The wet down sleeping bag cannot be stored for a long time, otherwise it will become moldy or even moth.