CupExpander adjustable large water bottle car cup holder adapter
UNIVERSAL FIT
3.4" TO 4.0" BASE EXPANSION • HOLDS 18-40 OZ BOTTLES • ZERO-WOBBLE SECURE FIT

CUPEXPANDER • AUTOMOTIVE INTERIOR PRECISION

FITS ANY CUP.
HOLDS ANY BOTTLE.

Adjustable Large Water Bottle Car Cup Holder Adapter Designed for Hydro Flasks, Yetis, and Large Tumblers

01

EXPANDABLE TWIST BASE

Adjusts from 2.5" to 3.9" to lock securely into any vehicle console.

02

RUBBERIZED SECURE GRIPS

Rubber fins hold bottles up to 3.4"-4.0" wide without rattling.

03

BUILT-IN HANDLE SLOT

Accommodates mug handles seamlessly for coffee cups and tumblers.

18–40 OZ BOTTLE CAPACITY
ADD TO CART — GET 20% OFF
CUPEXPANDER • BUILT FOR THE DRIVE

UPGRADE YOUR CUP HOLDER

Keep large bottles, tumblers, mugs, and everyday drinks secure with a heavy-duty adjustable cup holder expansion solution.

REAL-WORLD BOTTLE SECURITY

BUILT TO STAY PUT.

See why drivers are upgrading their factory cup holders for a more secure fit.

★★★★★

“My 40 oz tumbler finally sits securely in my truck. The adjustable base tightened perfectly and there is almost no movement while driving.”

DR
Darby Renshaw Verified Customer
★★★★★

“I bought this specifically for my oversized water bottle. The rubber grips hold it firmly without making the interior look bulky.”

KJ
Kellan Jory Verified Customer
★★★★★

“The twist adjustment is what sold me. It locks into my console much better than the loose factory cup holder and keeps my tumbler stable.”

MV
Maren Voss Verified Customer
★★★★★

“Really useful for long road trips. My large bottle stays upright, even when I’m taking corners or braking. The handle slot is a nice touch.”

BT
Brennan Tully Verified Customer
ABOUT CUPEXPANDER

MORE ROOM FOR THE BOTTLES YOU ACTUALLY USE.

CupExpander was created for drivers who need more from their vehicle's factory cup holder. Large water bottles, oversized tumblers, and handled coffee cups should fit securely without rattling around the cabin.

Our adjustable car cup holder adapter combines a precision twist base, rubberized bottle grips, and a built-in handle slot to create a stable, practical fit across a wide range of vehicle interiors.

01 ADJUSTABLE BASE Built to secure different console openings.
02 HEAVY-DUTY GRIP Designed to keep larger bottles upright.
03 DAILY-DRIVE READY Made for commuting, road trips, and everyday use.
CupExpander car cup holder designed for large bottles
18–40 OZ DESIGNED FOR LARGE BOTTLES
GET IN TOUCH

NEED HELP WITH YOUR CUPEXPANDER?

Have a question about fit, bottle size, compatibility, or your order? Our support team is here to help with straightforward answers.

01
USA DROPSHIPPING WAREHOUSE Automotive Interior Logistics Hub

8500 Logistics Drive, Suite 120
Dallas, TX 75247, USA

02
EMAIL SUPPORT Questions & Order Assistance contact@cupexpander.shop
CUPEXPANDER SUPPORT LET'S SOLVE IT.

Send us an email with your order details or question, and our team will get back to you with the information you need.

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