How about the Hydration pack? it is very cool, isn’t it? we could drink without need to stop in athletic sports, climbing or other activity, it will save alots times, also we could drink any time any where.
How about the Hydration pack design? It is like the other backpack, just additional a bladder in side of the backpack with a mouth piece. usually the bladder could be 1.5L-3L, the size of the backpack will depends on the capacity of the bladder. The popular material of the bladder is 0.3mmTPU, it is durable and safe, we could rest assure to drink the water from the bladder.
Usually the hydration packs are used for outdoor activities, such as bicycling and hiking, also for military, it is very convenience, using the hydration packs for activities, we don’t need to stop to get a bottle for drink.
Usually the materials for the hydration packs are nylon, polyester containing a bladder, and the popular materials for the bladder is TPU(Thermoplastic polyurethanes), which is eco-friendly and durable, usually the size range for the bladder is from 1.5L-3L.
Looking for the hydration packs from bag manufacturer, please visit Hydration-Packs.html
I will introduce more models of the packs in my further articles.
Your sincerely,
Ruby