Hydro Flask Flex Strap Pack and Customizer - Medium
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Mix, match and make it yours. Give your wide-mouth Hydro Flask bottle a personal touch with the Flex Strap Pack and Customizer. Three reversible Flex Straps let you add some color to your cap.
Shop similar products- 3 reversible Flex Straps feature 6 colors so you can make your Flex Cap or Flex Sipâ„¢ Lid uniquely you (cap and lid not included)
- Dual-use Customizer tool features a notch and lever to make removal of your current Flex Strap a breeze, and its cord helps you easily attach your new Flex Strap
- BPA-free and phthalate-free
- Compatible with your Hydro Flex Wide-Mouth Flex Cap or Wide-Mouth Flex Sip Lid (not included)
- Kit includes 3 Flex Straps and 1 Customizer
Imported.
View all Hydro Flask Water Bottle Accessories| Best Use | Multisport |
|---|---|
| Material(s) | TPU |
| Dimensions | 9 x 5 x 1 inches |
| Weight | 4 ounces |
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Looks and feels great… BUT
The straps look and feel great, but they are not long enough for the new wide mouth with straw cap that has the strap. It leaves no room to put your fingers in. As your fingers naturally want to go towards the center of the strap, your knuckles hit the straw thumb flipper and it hurts. I would only recommend to use these without the new cap.
Nice to have variety
While these replacement/customizing straps are really cool for Hydroflask bottles, they're shorter than the black strap that came with my bottles. I don't have the bottles with the flip up straw so it's not that big of an issue for me, however they don't give as much room for carrying your bottles around as the stock ones. They look cool though, each double sided yellow/teal, red/orange and light purple/gray, so you can play around with your color choices. I put the yellow/teal strap on my yellow 20 ounce bottle and it looks really cool. The customizer tool is pretty essential in removing and replacing your bottle straps. Getting the bottle strap off to switch it is much easier than trying to put a new one one. The replacement straps are so stiff that you need a bit of muscle to maneuver them around the pivot on the bottle. I ended up soaking mine in warm to almost hot water to loosen up the material so it'd be more flexible and that worked wonders. All in all this is a really cool customizing accessory for your bottles!
Not as expected
These straps are a full inch smaller than the strap that came with my medium straw lid accessory. The size difference makes it really annoying to grip. Also, the package comes with half as many straps as what’s shown, the straps are double sided and reversible. I was expecting a solid color so I was rather disappointed by this as well.
Too small
I’m not sure what these straps are supposed to go with because they do not fit the flex Straw cap lid well it’s way too small for adult fingers. Why aren’t large straps available on the website
Perfect for travel coffee
[This review was collected as part of a promotion.] Love this bottle for travel and small volume fluid. It worked great for coffee on the plane (watch out for pressure changes with the lid) and it worked great for water the rest of the day. The size and dimension fits easily in cupholders and in my travel bags. The lid being watertight is great, just be aware that when you drink from the lid some fluid is left on the unsealed side after you drink so it may appear to leak, but that's just remaining fluid in the lid.
Disappointed
The colors are awesome and the tool is useful, but the straps are an inch shorter than the black stock one that comes with the bottle. There isn't space between the straw tab and these straps for your fingers so it's really awkward to hold. If these straps were longer id definitely recommend but I wish I didn't buy these.
Can’t wait for more colors to release!
Allows for customization amongst bottles and caps you already have which is awesome! I put the blue strap on my yellow capped teal bottle. Love it! Tried playing with a few other combos on other bottles. Just be careful with older lids. My black strap snapped when trying to put it on another cap.
Great to avoid spills
Love that this cap is available to purchase separately, as 8 year old twins still have accidents trying to drink out of a regular lid while walking or riding in the car. Just wished I could have personalized the color as with the other parts of the bottles I got them which they loved.
Nice color variety, but breakable customizer tool
[This review was collected as part of a promotion.] I enjoyed the color variety added to the straps, but the customizer didn't price to be durable. The customizer broke on the first attempt to swap out the old, original black strap.
Immediately broke
The first time I tried to use the included tool to remove the strap (as instructed) the hook portion broke off and now it’s unusable, as well as the extra straps

