With the every-growing popularity of reusable water bottles like Hydro Flasks, more and more people are wondering what is the best way to keep their bottle close at hand on the road? 

But which Hydro Flasks fit in cup holders, and do you need a cup holder adapter for your car?  This can be a tougher question to answer than you might initially think because of the sheer number of cup holder designs and water bottle sizes.

​And while this post is primarily focused on Hydro Flasks, it also applies to similar reusable bottles like Nalgenes, YETIs, Klean Kanteens, Iron Flasks, Thermoflasks, Takeyas, Simple Moderns, Fifty/Fifty, and many others that are on the market today.

​Before thinking about which Hydro Flask will work for you, we recommend taking a closer look at your car

First, measure your cup holder's diameter and save it for later.

​Then, determine if you have a "standard" or "non-standard" cup holder according to the descriptions below.  This can have a major impact on whether cup holder adapters would fit securely in your vehicle, which opens the possibility of using larger bottles.

Now that you know whether you have a "standard" or "non-standard" cup holder, it's time to think about what size bottle you'd like to have.  Keep in mind that the "narrow", "wide", or "oversized" designations below refer to the bottle diameter, not the mouth diameter.  For example, you can have a 20oz Wide Mouth bottle that is categorized under "Narrow" because it is only 2.91" diameter.

The lists below are based on specifications listed on Hydro Flasks website and some that we independently verified.  If you already have a bottle, we recommend measuring its base yourself to make 100% sure that you have the correct measurement.  If your bottle has a protective boot, then you should also include this in the width measurement (they generally add around 0.25" to the diameter, but it varies based on the boot manufacturer).

The mug measurements are for the diameter of the body, not including the handle.

The links in the lists of bottles go to the product pages on Amazon.

There's a lot of information here, so to make it easier, we've developed this flowchart to help you sort through it all.  You just need to know (1) whether you have a "standard" or "non-standard" cup holder and (2) the diameter of your cup holder compared the diameter of your desired bottle.

Disclaimer: The information provided above has been fact-checked against Hydro Flask and Amazon websites (and with some in-person measurements).  The flowchart below is based on our experience and observations.  However, please note that we cannot 100% guarantee compatibility of any resulting purchases you make because there are literally hundreds of thousands of different bottle/cup holder/adapter combinations once you add them all up.  But hey, that's what return policies are for!

With that said, let's dive right in!

​If you determined that you need an adapter, then check out the adapters listed below.  Unlike back in 2015 when BottlePro launched, there are plenty of cup holder adapter options on the market nowadays.  Here are some of our favorites.

The Colorado National Monument is a relatively lesser-known park, at least compared to nearby Arches and Canyonlands in Moab, Utah.  But as Grand Junction locals know, that almost makes it better.  You won't get the massive crowds like you do around Moab, and the scenery is out of this world.  Here's our recap of our hike on the amazing Independence Monument hike, starting from the lower trailhead.

Proper hydration is a key and highly-effective way to help with losing weight.  Benefits of drinking enough water each day include:

1. Keeps you feeling fuller;
2. Helps with recovery after workouts, and even;
3. Increases your body's shorter term burned calories.

But a common complaint that people have (including myself) ​is that plain water is boring.  If you're like me, after awhile, it's good to drink something with a little flavor.  For the longest time, I was satisfying these flavor cravings with soda, Gatorade, and other sugary drinks.

That's where fruit infusing comes in.  Fruit infusing is the healthiest way to add flavor to your water and can be a game-changer in the quest to drinking more water each day.

With all of that in mind, many people ask what is the best type of fruit infuser for losing weight?  

(As an Amazon Associate, BottlePro earns from qualifying purchases.)

Have you ever been driving along on a hot summer day and need a sip of water, and when you go to take a drink from your wide mouth bottle, all of a sudden you hit a bump in the road?  Or maybe you're the passenger and the driver brakes or accelerates unexpectedly?  More often than not, you may end up with water in your face.  And if anyone else in the car has seen Airplane!, odds are you might hear a snarky comment like "do you have a drinking problem?"

While most major bottle manufacturers do not tend to sell splash guards within their own brands, a number of 3rd party companies have filled the gap (pun intended).  Not only are these great little products for limiting splashes, they can also be used as ice-stoppers.

​The problem is that some splash guards work better with certain bottles.  We're here to help clear up any confusion.