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Item # STS3A218

Sea to Summit Ultra-Sil Folding Bucket

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Carrying up to 10-liters (2.6 Gallons) of water while weighing just one single ounce, the Sea to Summit Ultra-Sil Folding Bucket is an extremely useful backcountry tool.


Carrying up to 10-liters (2.6 Gallons) of water while weighing just one single ounce, the Sea to Summit Ultra-Sil Folding Bucket is an extremely useful backcountry tool. Fully seam sealed, the bucket is completely leakproof. An integrated handle aids in carry.

Each Sea to Summit Ultra-Sil Folding Bucket includes a micro stuff sack.

  • 10 liter capacity
  • Super lightweight and compact -
  • Fully seam sealed and leak proof
  • Micro stuff sack for convenient packing
  • Ideal for carrying water back to camp
  • Not designed for water storage because it is not free standing

Technical Specs

Best Use
Backpacking, Camping
Item Weight
1 oz
Stuff Sack Included
Limited Lifetime
Collapsible bucket
2.6 gallons
Packed Size
6.5" x 5" x 0.5"

5 Reviews

4.8 / 5


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Oliver R.


Very compact


compacts very well and holds a good amount of water, lightweight


seems a little thin

Brandon T.




It packs so small that I could loose it in my pocket.


Well it holds water, but it is not a hard bucket.

Marc P.


Works great


Love the size and light weight



Steofan M.


Clearing sediment from water


This product was purchased to open more possibilities for water on an upcoming walk from Stanley, ND back home to SE Nebraska. I have previously used livestock tanks as a final resort , but this will let me gather cloudy stream water (without pumping through a filter and seriously clogging it) and add alum to help settle the mud to the bottom, then pour the clear water off into containers to then treat against bacteria and the like. I have tested this locally and it really works! A great lightweight solution to a real turbid problem!!


It is another step in the process but does open up more options for gathering water so is well worth the effort and the 2.2 ounces that the Ultra-Sil bag weighs.



More Quality Gear From SEA TO SUMMIT


Stuffs down so super small & light, you won't just think nothing of including it in your pack, you'll hardly notice including it in your pocket. Was worried I wouldn't be able to put it back in it's super small stuff bag, but it went in first try no problem.


It would probably take away from it's light & compact design, but I would have liked it to have more structure to support itself when full. It's compactness will be diminished by the clip/carabiner & cord you'll have to add to hang it if you don't intend to hold it constantly.