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GSI Outdoors Utility Dry Box

Temporarily Out Of Stock

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Float with your valuables safely stored in the GSI Outdoors Lexan Utility Box.

Not super psyched about your cell phone getting soaked on your next float trip? Take along the GSI Outdoors Lexan Utility Box. This waterproof and crushproof box keeps all your important stuff dry and intact. The attachment loop lets you tie it down, and the secure latching ensures your valuables stay valuable. Outfitted with rugged stainless steel hinge pins and made of Lexan resin, this Utility Box will last float trip after float trip.
  • Item #GSI0052

[small] 6.5 x 5.0 x 3.4in, [medium] 7.7 x 6.4 x 3.6in, [large] 9.5 x 7.8 x 4.0in , [x-large] 11.0 x 8.9 x 5.2in
Claimed Weight
[small] 9.6oz, [medium] 14.3oz, [large] 1lb 4.3oz, [x-large] 2lb
Recommended Use
weekend camping
Manufacturer Warranty

Tech Specs

California Proposition 65


This product can expose you to chemicals including Bisphenol A (BPA), which is known to the State of California to cause cancer. For more information go to

What do you think about this product?


>Rating: 5

Great WATERPROOF Box - Careful of SIZING

I've put it through the wringer
Runs small
Size Bought
5` 11"
175 lbs

I’ve had one of these for 35 years to keep my Binoculars protected. It is completely waterproof/dustproof. Buuuut, someone dropped it and it cracked so time for a new one. DO NOT go by the dimensions listed here. They are called “Travel Dimensions and they include the latches and lanyard loop and reduce the useable space dimensions by an inch in the Length and Width directions. So, if you’re like me you need to buy one size up. Otherwise a GREAT product.

>Rating: 4

Great for the price

I've used it several times

Great for light duty use, or as a redundant back up (i.e. kept inside another dry bag or cooler. The small was too small to fit my phone (a Motorola Z2 Play). The medium was sold out, so I went with the Large. The large fit my phone, keys, a sun shirt, and skirt. And could have squeezed in a couple more small items. I tried to use the tie-down feature and attached this box to my paddle board with an NRS strap, however, I discovered that the Lexan box will flex as you tighten the straps, and thus break the seal. So I had to leave the straps looser than I wanted. Based on that, I wouldn't trust it on it's own if you are "rigged-to-flip." But for a mellow lake day, or a casual and slow flatwater river, it was nice to have the easy access into the box instead of unrolling and re-rolling a traditional dry bag. For the price, it's a great value.

>Rating: 4

Kept my phone and electronics safe!

I've used it once or twice and have initial impressions

I used the GSI Outdoors Utility Dry Box to hold my phone and some other electronics on a five day river trip. I kept it at the top of my 30L drybag to pull out when needed. No leaks whatsoever, it kept everything secure. The small is big enough to fit a phone, chargers, small sunscreen, and chapstick. The reason for the 4 stars is because of how rough it was to open the clasps - they had to be forced open and would snap loudly as if they were going to break.

>Rating: 5

Does its job

I've put it through the wringer

This dry box, does just that, keeps things dry. I have used it floating the river to keep essential items like phones and keys, and this has not let me down yet.

>Rating: 5

Watertight is what I wanted

No more soup leaking into the cooler, and no more cooler water leaking into my lunch. They ARE watertight as advertised and seem to be a good quality box for all kinds of stuff. No issues!

>Rating: 5

Does the trick

I've used it several times

The GSI Outdoors Utility Dry Box is a great, basic option for keep your valuables dry. I haven't had any issues thus far with mine, and it's a good value.

>Rating: 4


PRODUCT SPECIFICATIONS MAJOR DIMENSION: Large WEIGHT: 20.3 oz. DIMENSIONS: 9.50'' x 7.80'' x 4.00'' MAJOR DIMENSION: Medium WEIGHT: 14.3 oz. DIMENSIONS: 7.70'' x 6.40'' x 3.60'' MAJOR DIMENSION: Small WEIGHT: 9.6 oz. DIMENSIONS: 6.50'' x 5.00'' x 3.40''

>Rating: 4

The (almost) perfect little "dry box"

Sturdy and sealed to keep water out; simple design performs as expected. The buckles can be a little finicky, but I think it's necessary to keep them tight when the going gets rough. The only recommendation I have is to include a high-density foam to cushion & secure your precious cargo on the inside.


will the product float in the water

will the product float in the water

I'm guessing it would float as long as you don't put anything absurdly heavy in it, but you can lash it down to keep it from going anywhere.


how big is this product

how big is this product