Salty Kit
Nautical 20L Waterproof Dry Bag Backpack
Nautical 20L Waterproof Dry Bag Backpack
IPX6 Waterproof Rated - floats, protects against water splashes, heavy rain, dirt & sand
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Nautical 20L Waterproof Dry Bag Backpack – Built for Sea & Storm
Wherever the tide takes you, the Nautical 20L Waterproof Dry Bag Backpack keeps your gear dry, secure and adventure-ready. Made from rugged 500D PVC tarpaulin, this IPX6-rated waterproof backpack stands up to wind, waves and sudden downpours—protecting your essentials from water, dirt, sand and snow.
Ideal for paddleboarding, sailing, kayaking, beach days and travel, this 20-litre dry bag features a secure roll-top closure, detachable padded shoulder straps, and an internal zippered mesh pocket for stashing valuables. Roll the top at least 3 times and clip to seal—your gear stays bone dry and buoyant, even if your bag hits the water.
With reinforced D-rings, a carabiner, and a front rubber handle, this waterproof backpack gives you everything you need for comfortable carry and quick access on the go.
🌊 Product Features:
- 100% Waterproof backpack with roll-top closure
- IPX6 Rated – resists dust & high-pressure water jets
- Floats in water when sealed properly
- Heavy-duty 500D PVC material for durability
- Reinforced welded seams for extra protection
- Inside zip mesh pocket for small essentials
- Adjustable, detachable padded shoulder straps
- 6 D-rings + carabiner + strong clasps
- Rubber front grab handle
- Easy to clean – warm water or lemon juice for stains
- Storage tip: Keep in cool, dry place out of direct sunlight
📏 Dimensions & Specs:
- Capacity: 20 Litres
- Weight: 720g
- Size: H50cm x W23cm (cylindrical) / H60cm x W37cm (flat)
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Size Guide
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Choose the right size - our useful guide
WHAT FITS IN OUR 5 LITRE BAG
5 Litre Dry Bag – The Mini Adventurer
Perfect for light travel, quick dips, or keeping essentials dry on the go.
Fits:
- Phone, keys, wallet
- Small towel or sarong
- Snacks or a reusable water bottle
- Sunglasses and sunscreen
- Lightweight top or swimwear
Best for: SUP sessions, dog walks, festivals, or stashing valuables inside a larger kit.
WHAT FITS IN OUR 20 LITRE BAG
20 Litre Dry Bag – The Day Tripper
Your go-to for full-day adventures with room for comfort and backup layers.
Fits:
- Full-size towel
- Change of clothes (tee, leggings, hoodie)
- Lunchbox and flask
- Compact camera or GoPro
- Drift Wrap or lightweight robe
- First aid kit and dry pouch
Best for: Beach days, kayaking, hiking, or packing for unpredictable Cornish weather.
WHAT FITS IN OUR 30 LITRE BAG
30 Litre Dry Bag – The Weekend Warrior
Built for serious gear hauls and multi-day missions.
Fits:
- Two full outfits + shoes
- Large towel or blanket
- Bulky Changing Robe or Wetsuit
- Toiletries and tech pouch
- DSLR camera or drone
- Snacks, books, and extras
- Bottle holder
Best for: Camping, surf trips, or when you need one bag to rule them all.
Delivery & Returns
We offer free standard shipping within the UK, Channel Islands and Isle of Man by Royal Mail or Evri from our HQ in Cornwall.
We now offer delivery via DPD to Australia & New Zealand.
We aim to get your order processed and dispatched within one to two business days.
EU & International Duties and taxes: Salty Kit is not responsible for any added customs taxes or duties that may incur upon delivery of your item. Custom duties and tax is not included within the cost of your order and is to be paid by the customer.
Does not apply to Wholesale orders.
For our Returns & Refunds Policy click here
How to video - a guide to using your Salty Kit Bag
Looks really well made and lovely design. Can’t wait to use for my sailing trip this Spring.
Hi Jo, thanks so much for this review, means a lot! Happy Sailing adventures. SK x
Quality product reasonably priced
I have not used this yet but very happy with the service and it looks great.