Hydration Bladder 2 Liter/70 oz - Pack of 2(1 Piece Blue+1 Piece ArmyGreen) - BPA Free Hydration Pack, for Hiking Biking Climbing Cycling Running (2 Pack)

I'll start with the pro and cons.... Pros: Perfect fit for my Osprey backpack and a generic hydration pack 100% leak-proof during my entire 5-day trip to 3 Utah national parks Wide opening makes filling and cleaning quick and easy Comfortable bite valve with smooth water flow and no drips Protective cap keeps mouthpiece clean on dusty trails Durable, high-quality materials that feel as good as premium brands Great value: quality matches more expensive hydration bladders Cons: 2L size is ideal for short to medium hikes but may be too small for long, strenuous hikes (I ran out of water by the summit of Angels Landing in Zion) but this was poor planning on my part. My Experience: I bought the Baen Sendi Hydration Bladder 2L to stay hydrated while hiking in Zion, Bryce Canyon, and Arches National Parks. It fit both my Osprey backpack and a generic hydration pack perfectly, with zero leaks the entire trip. The large opening made refills at trailheads quick and easy, and the protective mouthpiece cap was a thoughtful touch, especially in dusty desert conditions. For short day hikes, trail running, or cycling, this water reservoir is perfect. If you’re planning an all-day trek, I’d recommend going for a 3L version. Overall, this is a reliable, durable, and easy-to-use hydration bladder at a price that’s hard to beat. I’ll definitely buy another for future adventures.

these are great. I got them to replace an older camel back and for a running backpack that came with a lousy bladder. this one works perfect and I really like the clip in tube instead of screwing it. much better design.

We purchased these before our summer National Parks road trip. Mine worked great and helped while we went Zion, Bryce, and other parks. My husbands, leaked from the bottom. Ruining the contents of his pack and leaking all over the backseat of our car. I wish these would not have leaked and would've been reliable. We do a lot of hiking, and are outdoors a lot. We will continue to search for the right product that doesn't leak.

ALWAYS buying these when i need new bladders for my danpak. they're super lightweight, easy to clean, last long, and i have yet to experience any leakage. they're also very durable. only reason i eever find myself buying a relacement is if i forget to clean them out after a festival. they fit in my danpak hydrobags relatively easy, but i will say they do fit kinda tight when full and i have other things in my bag, but that's moreso a bag size problem. not really the bladder's fault. they're also priced really well compared to other amazon options and in store options. most places i find just one for $12-18 whereas im getting 2 for 1 with these basically.

These work great for long hikes. I had to wash mine out with lemons to get the typical plastic taste out first. Other than that it’s held up well and is perfect for hot summer hikes