LifeStraw might be the perfect stocking stuffer for the hiking and camping lovers in your life, and at just $10, it's never been cheaper than it is right now for Black Friday.

Normally priced at $15-$17, LifeStraw allows you to drink up to 1,000 liters of water from any pond, stream, or puddle that you find, which could potentially save your life if you get stranded outdoors, or just allow you to pack less heavy water for a hike or camping trip. The built-in filters remove at least 99.9999% of waterborne bacteria, and 99.9% of waterborne protozoan parasites, surpassing the EPA's filtration standards, and it's as easy to use as, well, a straw.

Better yet, if you have an Amazon Prime credit card, you'll get 15% cash back on this purchase compared to the usual 5%, effectively bringing the price down to just $8.50. Stock up and drink up!

LifeStraw | $10 | Normally $15-$17

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