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Water-repellent bags VS waterproof bags

time2023/07/07

Waterproof bags will not allow water entering the bag. A trustful waterproof bag can protect your gears from getting wet from a storm, outdoor adventure or even diving
Waterproof bags will not allow water entering the bag. A trustful waterproof bag can protect your gears from getting wet from a storm, outdoor adventure or even diving. You will be proud of it when you open your bag after a heavy storm and see all dry stuffs inside your backpacks.
To make a successful waterproof bag, the following factors are very critical, but also the most important conditions to determine the level of waterproof.
First, it’s the waterproof fabrics which is constructed from multiple layers, main textile in the middle, to add a coating like PU at one side of fabric, this is a water-resistant layer. 
Then to laminate a PVC or TPU layer, now most of countries are talking about eco-friendly and PVC free, so TPU lamination is widely used for waterproof bag, it increases the cost for a waterproof product a lot.
Secondly, to use waterproof zipper is really important to performance and determine the waterproof levels, nylon waterproof zipper, airtight zipper and aqua-seal zipper respectively apply to different bags which can meet IPX5, IPX6 or IPX7 testing.
The last factor is the welded molding, all panels can’t be sewn by needles, high frequency technology to weld seams together. That's the real way to build up a waterproof bag with water-resistant fabric, seal zipper and seamless finishing.
After our comparison in two articles, we understand that unique materials and processes will achieve various bags, that’s no doubt, the unit price is also quite different, to choose the appropriate backpack for right occasions will help reflect its value.
You are always welcome to discuss waterproof with us together or if you want to know more about our waterproof bag, please feel free to contact us.