It is safe to use what kind of folding water bags?

It is safe to use what kind of folding water bags? Fold the water bag is filled with water, so we have to water security, non-toxic, in the first place. Most products will use non-toxic, tasteless material, but there are some inferior product water after serving for a long time can have a strong plastic smell. Don't consider this product is still relatively good compressive capacity of 1, water bag: we often need to be equipped with water bag bag stacking transport, even sometimes use backpack as chair, cushion for leaning on, even the bed. Not use a pressure products, the result will be very terrible. You will enjoy a wet trip: D. At least in my personal point of view, water bag filled with water under the condition of bear the weight of a person, of course, the famous water bag manufacturer product standard is much bigger than this. 2, the choice of water mouth: folding environmental protection water bag water mouth is very important. Necessary to open and close convenient, single hand or teeth open operation. Also, make sure the pressure resistance of water mouth is closed. Had seen a friend of a depressed water bag, water mouth closed is rather poor, so every time of transportation to pipe up, otherwise the backpack stack after water from water mouth all the time. 3, inlet: obviously, the opening, the greater the water more easily, of course, the greater the corresponding openings the tightness and pressure resistance is the worse. At present most faucets are using similar to screw the mouth of the barrel lid as there are a few water bag mouth of the water bag use snap fastener this is beyond my expectation of resistance to overwhelm. Like Hydrapak rolled up, of course, shedding, and can resist the car air products so I return true have never seen, See image below) 。 4, water bag hanging ring: many backpacks with water bag, but I suggest that if there are any conditions as far as possible will hang water bag, the first is to avoid water moves back and forth in the package, increase the unnecessary energy consumption, the center of the transfer will be a little influence on feeling. 5, with thermal insulation of suction nozzle water bag: a usually water bag, can adapt to the spring, summer, autumn three seasons, winter is more troublesome, water will freeze, this would be the very depressed. Many water bag manufacturers have insulation water pipe and water bag set, in fact, this is feasible and cheap things like DIY. Good, hee hee, about how to choose a good water bag, we'll stop here. Under the code, we will have to speak some water bag individuality creative knowledge, good water bag, appearance is necessarily important. So you can focus on this web site for more folding bag knowledge kettle. Water bag family, add new fun to live. Thank you very much.