1.How can i contact you?

Our customer Service team operated on Monday to Friday from 9:00am-:18:00pm;
chat with us on line or contact us by Email:[email protected]

2.Where is the products make?

It's Made in China

3. Can you still use the phone to get message or phone call while it's in the case?

Yes! The best suggest is waterproof cellphone case,best-in-class waterproof performance. with waterproof case is not as sensitive, but usable. I took a number of pictures with my phone in the case.and was able to take pics and upload to FB etc.

4.How many beer will the 20L hold in at? Dose the strap or backpack strong enough to hold this full beers?

Yes,I think you could probably get a 12 pack beers in a 20L bag, and a bunch of snacks in there with plenty of room to spare.
It's made by 500D Tarpaulin material, for high performance, durability,strong enough to carry very things you can...

5.What is the warranty?

If you are not satisfied with this dry bag, just contact us without any hesitation. We’ll certainly seriously solve all your problems and confusions.we offer one years money back guarantee, and we provide lifetime service.

6.what's the difference about ipx6 and ip68? this dry bag is it ipx6 or ipx8?

These two numbers represent two different meanning. First number represents protection against ingress of solid objects, and the second number represents protection against ingress of liquids.The larger the value of each digit, the greater the protection. As an example, a product rated IP54 would be better protected against environmental factors than another similar product rated as IP42.
Hope we've solved your doubt.

7.Can this be used for Kayaking?

This waterproof bag have large capacity. If there is enough air in the dry bag, it is more suitable for floating.
So this Waterproof Backpack would work great for Kayaking, Beach, Rafting, Swimming, Boating, Hiking, Camping,Fishing,Canoeing.

8.Are the straps on the 30L dry bag removable?

The dry backpack straps on dry bags are not removable,but the detachable shoulder strap is removable.