![rucksack liners](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
NOTE: Please do "double-bag" for your valuable electronic gear.
Dry sacks or dry bags are not intended for submersion or be the sole watertight barrier for sensitive electronics, cameras, and other items vulnerable, For maximum protection of these items, we recommend to use a totally waterproof seal case.
If you have no chioce when you already at outdoors, please remmeber to make a "double-bag" for your valuable articles such as phone, cameras, laptop, watch and etc..
Meaning when you put cell phone or camera (or other electronics) in, please put them in a smaller dry bag first and sealed it, then put the smaller dry bag in a bigger dry bag as extra insurance.