I’m always on the lookout for lightweight products that can carry liquids easily without leaking. The gold standard is Nalgene bottles, because they don’t leak. But, they weigh more than I’d like at 0.5 ounces, and they don’t work with food or products you need to squeeze. I was excited when I saw the Tubism resealing zip tubes. At 0.4 ounces for 1.7 fluid ounces, they looked like a good deal. They could carry small amounts of liquids on trips while keeping down the weight.
The Tubism tubes are unique because they’re flat instead of round. One end has a zip closure and the other end a squeeze lid. They are recyclable if your community recycles plastics rated as five. Mine doesn’t. They’re also BPA free and food safe. You can wash them in the dishwasher which makes post trip cleanup chores easier. Also, because you can easily scrub the inside from the zip side, it helps keep them cleaner than competing products with small openings. Best of all was they only weigh 0.4 ounces.
Each pack of Tubism tubes comes with three containers. I decided to try liquids with a different viscosity in each container. Starting from the thickest and going to the thinnest: sunscreen, olive oil and water. Sunscreen went in fine. It also came out of the squeeze end without any issues. The problem that I had was somehow pressure inside my pack caused the end to burst open which created a mess. Olive oil is a hard liquid to keep inside of any container. I think that the oil gets into the threads and then through capillary action it wicks more oil out of the container. That happened with the Tubism tubes. The water actually stayed inside the tube and didn’t burst. 1 out of 3 liquids didn’t leak.
While these seemed like a great product for camping, I think I’ll pass on using them. If you decide that you like them, I’d recommend packing them with care and inside a Ziploc freezer bag. I’d also only use them for more viscous liquids.
Disclosure of Material Connection: I received Tubism zip tubes for free from Tubism as coordinated by Outdoor PR in consideration for review publication.