Standard Flex Straw Cap
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Hydro Flask Standard Flex Straw Cap
The Hydro Flask Standard Flex Straw Cap fits on standard mouth bottles to help avoid leaks so that we can enjoy ice-cold water while on the go.
Details
- Durable construction handles daily use and cleaning
- Compatible with standard mouth Hydro Flask bottles
- Item #HYFZ02O
- Material
- polyproplyene (BPA-free)
- Compatibility
- Hydro Flask standard mouth bottles
- Activity
- hike, camp, training, casual
- Manufacturer Warranty
- limited lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
4 based on 263 ratings
Review Summary
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Selecting an option will reload the available reviews on the pageFebruary 13, 2025
Good unit
[This review was collected as part of a promotion.] Nice straw,no leaking carry handle and much more sanitary than the pop up variety.
Originally reviewed on hydroflask.com
February 5, 2025
I don’t understand how the
[This review was collected as part of a promotion.] I don’t understand how the straws are supposed to be usef
Originally reviewed on hydroflask.com
February 4, 2025
My go to mug!
[This review was collected as part of a promotion.] I sadly lost my last trusty hydro flask on a flight. I got this new cup with the straw and another lid to use it for hot and cold. It's perfect!
Originally reviewed on hydroflask.com
January 30, 2025
Good cap, easy to clean. Small straw, tiny lever.
[This review was collected as part of a promotion.] So far, I like this cap quite a bit. I really appreciate that it doesn't have a recessed gasket like the wide-mouth ones, which makes it a lot easier to take apart for cleaning. The newer wide-mouth ones are annoying to open because there's no place to grip to twist, but my hand goes around the narrow-mouth ones so for me they're easy to open. (I do miss the gripping ring on the older ones). Notable downside 1: The straw is much narrower than on the wide mouth version. It's significantly slower to drink from. Downside 2: The little lever op top to pull it open is small and vertical. This makes it less efficient as a lever, and also it's less obvious which direction the cap is facing by touch. (This doesn't seem like a big deal, but over the course of a whole day it is slightly annoying)
Originally reviewed on hydroflask.com
January 29, 2025
Thanks a lot for sending
[This review was collected as part of a promotion.] Thanks a lot for sending me this cap. It's much better to drink while you are walking.
Originally reviewed on hydroflask.com
December 31, 2024
Good bottle
[This review was collected as part of a promotion.] Good bottle, like the color and size. I have several varieties of these and I like them but they do dent easily.
Originally reviewed on hydroflask.com
December 11, 2024
Flex Straw Cap
[This review was collected as part of a promotion.] I received this cap as a replacement for the standard cap which was leaking and is no longer available. I am very pleased with this cap - much easier to drink from, doesn't leak and easier to clean. The replacement / exchange proces was simple, smooth and quick.
Originally reviewed on hydroflask.com
December 8, 2024
I’m sure the cap was
[This review was collected as part of a promotion.] I’m sure the cap was perfect, but I bought the wrong size. I guess I needed a wide mouth.
Originally reviewed on hydroflask.com
November 27, 2024
Hydro Flask Straw Mouthpiece
[This review was collected as part of a promotion.] Works great, fits my hydro flask perfectly! Thank you
Originally reviewed on hydroflask.com
November 26, 2024
Cap with mold??
I purchase the Flex Straw Cap Standard mouth for my 18oz bottle. I have only used it for water, 3 days a week and it looks like it is getting mold? I empty it after each use, and let it air dry. Is there anything I can do to save it? I love using it.
Originally reviewed on hydroflask.com
Do you have a question about this product?
January 22, 2023
Is this supposed to come with a straw? Mine didn’t when I purchased it through another retailer.
January 20, 2023
Can you just purchase the flex straw itself or do you have to order the entire cap and straw?
January 19, 2023
How do I get a steady stream of water? Usually when I drink from the straw, I mostly just get air. I tried removing the straw and putting it back in. Do I need to cut the bottom of the straw at an angle?
January 18, 2023
What is the composition of materials for this product? Is this safe for people who have latex allergies?
October 31, 2022
Does the purchase also include straws for the straw cap?
October 1, 2022
I recently purchased this straw cap for my 32 oz bottle. It seems like the straw is too long for the bottle, and the cap won’t close all the way unless the straw is bent while closing it? Does this new straw cap not work for the 32 oz bottle?
September 13, 2022
how do you get this straw lid to work? I mostly get air even though I followed the directions exactly.
September 8, 2022
Does it come with the straw itself?
July 29, 2022
will the standard mouth flex straw cap come in different colors?
July 1, 2022
Will this fit the growler since it has a standard mouth?
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