Amazon Basics

Amazon Basics Car Cup Holder Expander Adjustable Base Secure Fit for Large Bottles 3 4 3 8 inch

789+ bought in the past month

$9.99$15.99

About this item

  • Designed to securely hold bottles and mugs between 3.4–3.8 inches in diameter, this adjustable car cup holder fits popular brands including Yeti Ramblers (20, 26, and 30 oz), Hydro Flasks (32 and 40 oz), and Nalgenes (30, 32, 38, and 48 oz). Note: Not compatible with Yeti Rambler 14 oz mugs.
  • The expandable base fits most standard vehicle cup holders (2.6–3.9 inches inner diameter) and locks firmly in place for stability on rough roads.Please do not over-tighten the base during installation to avoid damaging your car’s cup holder
  • This model is not recommended for certain vehicle models with non-standard cup holder shapes, such as 2019–2023 Toyota RAV4, 2009–2018 Subaru Forester, and 2020–2024 Subaru Outback. Does not fit extra-wide, irregular, or enclosed cup holders.
  • A tapered lower section and soft rubber grips ensure a snug fit and prevent wobbling, keeping your drink steady even on sharp turns or bumpy terrain.
  • Crafted from heavy-duty ABS plastic with a scratch-resistant matte finish. Quick, tool-free setup—just insert, twist, and lock.For best results, measure your cup holder before purchase to confirm compatibility.
$9.99
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Product details

Colorblack
MaterialAcrylonitrile Butadiene Styrene
BrandAmazon Basics
Product Dimensions4.4"L x 4.4"W x 6.25"H
Hand Orientationboth

Technical specifications

colorblack
materialAcrylonitrile Butadiene Styrene
brandAmazon Basics
product_dimensions4.4"L x 4.4"W x 6.25"H
hand_orientationboth
manufacturerAmazon
automotive_fit_typeUniversal Fit
upc672352804065
item_weight10.1 ounces
item_model_numberDS-CH001
manufacturer_part_numberDS-CH001
best_sellers_rank#470 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Cup Holders
date_first_availableOctober 31, 2021

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Customer reviews

4.23,872 ratings

Customers say

Customers find the cup holder fits well in various vehicles, including 2023 Jeep Wrangler and Tesla models, and works particularly well with 40 oz Hydroflask tumblers.

★★★★★

A must have for those using oversize cups!

KathyJanuary 10, 2026

These are perfect, they fit into my cupholder and expand to fit my wide coffee mug to my Stanley to a large Yeti 60 oz. very durable, so easy to use and holds everything securely! Read more

★★★★★

Great Product. Works Well. Good Value.

Kathleen D.December 22, 2025

Works perfectly for my oversized travel water bottles. Easy to install and remove. I have used it in multiple vehicles and it always works. Great to have my water bottles not tipping over and rolling in my vehicle. Good value for the money. Read more

★★★★☆

Works great. It's really big. Too big?

Robert H. HartmanJanuary 8, 2026

Works great. It's big, really big. I like how the base is adjustable and you can secure it in the vehicle. Read more

★★★★★

Perfect Cup Expander for Your Car

SKSeptember 23, 2025

This fits my Suburu Crosstrek. First you let the bottom expand and then screw it into base. My cup holders are very narrow but this expands the circumference so I can put my wide coffee mug inside. Perfect!!! I’m so happy with this purchase and would highly recommend!!! It’s very sturdy and stays in place once you’ve screwed it in using only your hand. No tools necessary! Read more

★★★☆☆

Thumbs Down

EARVSJanuary 14, 2026

Disappointed. Too expensive plus having Amazon's free advertising. It is very large. Also it doesn't lock into my cup holder well in my Gen2 Prius. Also the lower part of a cup's handle does not set down inside well enough to even have the cup sit in flat. Read more

★★★★★

Cup Holder with Adjustable Base works well

CarmenJanuary 6, 2026

I have purchased several of these. It securely holds a 40 oz Hydro Flask in the drink holder of various cars. I've been very happy with this purchase. Read more

★☆☆☆☆

Didn’t work

TaylorJanuary 10, 2026

Call me when you get it tight enough in the cupholders. When I would take it out, the whole thing came out with the water bottle. Didn’t help at all. Read more

★★★★★

So great.

Dave B.November 27, 2025

I had a really cheap piece of garbage that served the same purpose for years. I finally got to the point where I'd had enough and ordered this with little expectations. I got it and was pleasantly surprised. It should fit into all kinds of cup holders with its adjustability. Just turn the topmost part and the ears will adjust to fit. The fingers inside will snuggle all kinds of water bottles. I have a 32 oz bottle and it's good to go. If you're looking for an adapter for the car cup holder, I highly recommend this one. Read more

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