Ever had a wet swimsuit turn your backpack into a swamp, or sunscreen leak onto your headphones? It’s the kind of small mistake that follows you all day. The Earth Pak Waterproof Dry Bag is basically a roll-top waterproof storage bag built for beach days, boat tours, day hikes, and trips where the weather can’t make up its mind.
It’s also lightweight, it packs down small, and it doesn’t feel precious. You can toss it in your suitcase and forget about it until you need it.
What you actually get with the Earth Pak Waterproof Dry Bag
This bag is made with thick 500D PVC and uses heat-sealed seams, so there aren’t stitch holes for water to sneak through. The main closure is a classic roll-top with a buckle, simple and fast once you’ve done it a few times. Most sizes are meant to be carried with a strap, and the larger “backpack” versions add proper shoulder straps for longer walks.
Many bundles also come with a separate IPX8 waterproof phone case. I like that it’s included because you’re usually protecting two things: your bigger gear in the bag, and your phone that’s always in your hand. If you’re building out a beach setup, this pairs well with other practical gear ideas in Protect your beach essentials with a dry bag.
Roll-top closure, how it keeps water out (and how to roll it right)
Roll it like you mean it. Lay the top flat, press out extra air, then fold and roll 3 to 4 times, and buckle. Don’t overstuff it, the top needs room to roll cleanly.
The most common leak issue is boring: not enough rolls, or buckling while the top is wrinkled, which leaves a tiny channel for water.
Included waterproof phone case, handy on boats, beaches, and rainy city days
The included phone pouch is IPX8-rated, usually fits phones up to about 6.5 inches, and uses a snap-and-lock seal. The clear windows are good for quick photos, or pulling up a boarding pass while it’s raining.
It’s separate from the bag’s water resistance, so think of it as a backup layer for your phone.
Picking the right size for your trip (5L to 55L and beyond)
Sizing is where people overthink it. I’d pick based on how long you’re out, and whether you hate carrying a bag on one shoulder.
Small sizes (5L, 10L, 20L) for quick outings and valuables
These are great for day essentials: phone, wallet, meds, small towel, power bank, passport. They usually come with a single adjustable shoulder strap (often around 24 to 42 inches, depending on model), and they fold down easily inside luggage.
Backpack sizes (30L, 40L, 55L) when you need hands-free carry
If you’re hauling snorkel gear, a light jacket, lunch, camera, or kid stuff, the backpack styles feel steadier. Larger sizes often add a sternum strap, and some 55L versions include a waist belt. It’s just easier on a long walk to the beach or a ferry.
What “waterproof” means in real life, plus a few honest downsides
In real use, this bag handles rain, spray, and quick dunks well, but it’s not meant for long underwater submersion. People often compare it to splash-resistant ratings (you’ll see IPX5 or IPX6 mentioned), which is a good mental model: waves and weather, yes; scuba, no. It also floats, which is comforting if it slips off a kayak.
A few downsides: there’s basically no inner organization, grabbing something from the bottom can be annoying, and when you open it, the wet roll-top lip can drip a little. I keep a small pouch inside for small items, and I still put electronics in the phone case (or a second zip bag) if I’m being cautious.
Conclusion
If your trips include beaches, kayaking, boat tours, rainy cities, or carrying wet clothes home, the Earth Pak Waterproof Dry Bag is an easy “why didn’t I pack this sooner” item. For most travelers, 10L or 20L is a safe day-use pick, and 30L+ makes sense if you want backpack carry. If you want to check the current options, here’s the link: https://amzn.to/4kqDGxz.