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Standard Flex Cap & Straw
Hydro Flask
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Details & care
This leakproof, insulated cap and straw fit your favorite Hydro Flask Standard Mouth bottle (sold separately).
- includes 2 straws, 1 cap
- Compatible with Hydro Flask Standard Mouth bottles (sold separately)
- BPA-free
- Plastic
- Dishwasher safe
- Imported
- Item #7144185
- Core Product ID 333336WNJY
Shipping & returns
This item qualifies for free shipping on orders over $89. View Shipping & Returns Policy.
This item is returnable within 40 days by mail or to U.S. Nordstrom Rack and U.S. Nordstrom stores. All beauty items are only eligible for return in U.S. Nordstrom Rack or U.S. Nordstrom stores.
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Hydro Flask
Headquartered in Bend, Oregon, Hydro Flask launched the first all-insulated bottle in 2009 and has spent the last 10 years delivering on its commitment to save the world from lukewarm.
Most helpful positive review
Sept 4, 2026
Quality Product
[This review was collected as part of a promotion.] This cap is durable and easy to use. Most caps will leak if turned upside down, but this doesn't. Great quality.
Tim S.
Reposted from hydroflask.com
Most helpful critical review
Aug 27, 2026
Disappointed
[This review was collected as part of a promotion.] Why cant you make a sipping top without all the plastic. This top spoils the taste of my ice tea.
Eloise G.
Reposted from hydroflask.com
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5 stars
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4 stars
12%
3 stars
13%
2 stars
5%
1 star
7%
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Tim S.
Reposted from hydroflask.com
Sept 4, 2026
Quality Product
[This review was collected as part of a promotion.] This cap is durable and easy to use. Most caps will leak if turned upside down, but this doesn't. Great quality.
Eloise G.
Reposted from hydroflask.com
Aug 27, 2026
Disappointed
[This review was collected as part of a promotion.] Why cant you make a sipping top without all the plastic. This top spoils the taste of my ice tea.
Harvey B.
Reposted from hydroflask.com
Aug 26, 2026
Standard Mouth Flex Straw Cap
[This review was collected as part of a promotion.] Very good quality cap. Slightly disappointed in the flow of liquid through the straw compared to my previous pull-out style nozzle. You can't guzzle liquid for taking pills, etc.
John C.
Reposted from hydroflask.com
Aug 24, 2026
Great Addition. Great Product
[This review was collected as part of a promotion.] Great Addition to my HydroFlask water bottle. Easy to use and clean. Seals really good!
Hayden B.
Reposted from hydroflask.com
Aug 14, 2026
s-tier cap, b-tier straws
[This review was collected as part of a promotion.] bought this because the carry strap on my old (standard) cap broke. it's been SO NICE to be able to drink water without fully unscrewing the bottle! my one issue is that the straws that come with this cap are a bit long for my bottle, so they're getting slightly bent, but they're not bending so much that they're unusable
Eric M.
Reposted from hydroflask.com
Aug 13, 2026
Newer isn’t always better
[This review was collected as part of a promotion.] It’s difficult to drink out of, where the old type was much better. Quality is there, just not a Quality is there, just not a design I prefer. Any chance I can get one of the old type? Thank you enjoy your day.