The Dunk Test

A blue and white striped dry bag labeled 'SALTY KIT' floating in clear greenish water, with a paddle visible and a blue text box on the right reading 'OUR DRY BAGS ARE TESTED IN THE CORNISH SEA'.

We don't do lab conditions. We do the Cornish sea.

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Forget lab conditions and fancy pressure chambers — round here we test our dry bags the Cornish way. We took our Salty Kit 20 litre and 5 litre dry bags down to Harlyn Bay, handed them to a lady on a paddleboard, and told her to give them a proper dunking in the sea. No mercy, no hesitation, just a good old-fashioned salty submerging.

Once she was done showing off, she unrolled the bags herself and revealed the contents — bone dry towels, smug as you like, without a drop of sea water in sight.

The verdict? Roll your roll-top dry bag tight — three times, minimum — and our watertight dry bags will keep your kit dry, even when we're actively trying to sink it. Skimp on the rolls and you're just carrying a very optimistic sack.

Watch the dry bag test videos below and see for yourself — cheeky, salty, and thoroughly tested.

The small print (still worth a read)

Our bags are rated IPX6 — proper tested to laugh off powerful jets of water and a good dunking, like the one our paddleboarder gave them. That's why the towels stayed dry.

What it's not built for: swimming with, or diving. IPX66 covers submersion, not the sustained, deep-water conditions that IPX7 or IPX8 gear is designed for. Fancy a swim? Grab a tow float. Heading underwater on purpose? That's a different kit list entirely.

And if you're packing your phone, camera, or anything you'd cry over losing — pop it in an IPX8 bag or case inside your dry bag. Belt and braces, Cornish style. Watch our Video below for more dunk tests and how to roll your Dry Bag.

20 Litre Dry Bag Dunk Challenge

5L Dry Bag Dunk Challenge

How To Roll Your 5 Litre Dry Bag

How to Roll Your 20 & 30 Litre Dry Bags