Skip to product information

HydroLatch Expander

HydroLatch Expander

Adjustable Car Cup Holder for Oversized Bottles

$50.00 AUD $70.00 AUD
In stock! Ready to Deliver.


  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa


Use of this product could result in bodily harm or product damage in the event of a crash or other incident involving a motor vehicle. In purchasing this product, the purchaser hereby assumes full responsibility for any property damage or personal injury that may occur while using this product. HydroLatch disclaims all liability for any special, direct, incidental or consequential damages, or any damages whatsoever, including, without limitation, the loss of life or limb, or damages due to bodily or personal injury, which may arise or result from the sale, installation, or use of any of its products.
View full details

People Are Asking

How do you use it?

1. Remove from the box.
2. Push the base of the expander into your car cup holder and twist the base so it fits securely.
3. Attach the top onto the base.
4. Insert your big bottle and twist the top to tighten around it.
5. Ensure your bottle is secure before driving. That's it!

Does it fit every bottle?

Yep! The top extends from 6.5cm to 14cm - which fits every bottle we've tested.

Does it fit in all cars?

Just about! It will fit any cup holder that is from 6cm to 10cm wide - which is all of them we have tested. Just ensure there's enough room above your cup holder to fit your bottle.


Easy to use and Install in seconds


Factory-grade quality & durability

  • ★★★★★

    "From always having no where good to put my oversized bottles, this was the easiest solution by far. Works great."

    - Jessica B.

  • ★★★★★

    "Took me 30 seconds to install and put it to use straight away. Easiest thing I've done for my car."

    - Jan R.

  • ★★★★★

    "Good price, fast delivery, easy install and holds bottles perfect. A great addition to the car"

    - David L.

1 of 3

Fit Any Oversized Bottle in Your Car Cup Holder

The only cup holder that adjusts to your bottle.

Got an oversized bottle that won't fit in your cup holder? The HydroLatch is the easiest solution to keep your bottle secure on the road and ensure you'll never have to clean up a spill ever again! 

  • Adjustable locking base, secures to your cup holder and never tips.
  • Twist top adjusts to fit every bottle perfectly.
  • Compatible with Frank Green, Yeti, Hydro Flasks & more...
  • Built tough, including a rubber base to protect your car’s cup holder.

HydroLatch Kit Includes:

  • Top: 6.5cm to 14cm
  • Base: 6.5cm to 9cm‎ ‎ ‎ ‎ ‎ ‎ ‎
  • Extension Blocks: Extends base to 10cm

A smartly designed cup holder, shaped by rigorous testing & continuous customer feedback

Installing the HydroLatch couldn't be easier

No special skills or tools required. Your new HydroLatch slides right into place.

Compatible Cup Holder Types

The HydroLatch will fit any cup holder that is from 6cm to 10cm wide - which is all of them we have tested! Just ensure there's enough room above and around your cup holder to fit your oversized bottle.




Under Centre Console

Close to Transmission

  • Perfect Bottle Fit Guarantee

    Order your HydroLatch risk-free. If it doesn't fit perfectly we'll happily organise a fast and easy refund.

  • 30-Day Warranty

    Our warranty covers wear & tear as well as product damage, so you can use your HydroLatch worry free.


Will it tip over?

Nope! The base expands to lock in securely to your cup holder. No more spills!

Will it damage my cup holder?

Nope! The Hydrolatch is built with quality materials, including a rubber base to protect your car’s cup holder.

Will it fit bottles with handles or mugs?

Yep! HydroLatch's expandable prongs have gaps to fit handles.

Do you ship from Australia?

Yes of course, all our products are shipped from our warehouse in Victoria.

1,000+ HydroLatch's installed across Australia

Fast Aussie Delivery ⭐⭐⭐⭐⭐ 1,000+ HydroLatch's Sold 30-Day Money Back Perfect Bottle Fit, Guaranteed