---
product_id: 639013913
title: "Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4\"-3.8\""
brand: "smart kup"
price: "C$1914"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/639013913-car-cup-holder-expander-with-adjustable-base-cupholder-extender-holder
store_origin: NI
region: Nicaragua
---

# Fits bottles 3.4"-3.8" diameter Expandable base 2.5"-3.75" fits most consoles Durable ABS plastic resists impact & abrasion Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4"-3.8"

**Brand:** smart kup
**Price:** C$1914
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate your drive with the ultimate cup holder upgrade!

## Quick Answers

- **What is this?** Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4"-3.8" by smart kup
- **How much does it cost?** C$1914 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/639013913-car-cup-holder-expander-with-adjustable-base-cupholder-extender-holder)

## Best For

- smart kup enthusiasts

## Why This Product

- Trusted smart kup brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Crafted from tough ABS plastic to withstand daily bumps and keep your drink safe.
- • **Snug, No-Slip Fit:** Expandable base adapts to cup holders 2.5"-3.75" for zero wobble on the road.
- • **Spill-Proof Stability:** Upper rubber tabs lock your bottle in place, even during sharp turns and sudden stops.
- • **Handle-Friendly U-Shape Cutout:** Accommodates mugs with handles so you never have to compromise your favorite travel cup.
- • **Universal Wide-Mouth Compatibility:** Securely holds popular 32-40 oz bottles like Hydro Flask & Yeti with ease.

## Overview

The Smart Kup Car Cup Holder Expander is a durable, adjustable accessory designed to fit wide-mouth bottles and mugs between 3.4" and 3.8" in diameter. Its expandable base fits most car cup holders from 2.5" to 3.75", providing a secure, spill-resistant hold with rubber tabs and a unique U-shaped cutout for handle mugs. Made from impact-resistant ABS plastic, it ensures your beverages stay stable and accessible on every journey.

## Description

Upgrade your car's cup holder game with the Smart Kup Car Cup Holder Expander, the ultimate solution for holding your favorite beverages securely on the road. Engineered for compatibility, this cup holder adapter fits popular brands like Hydroflask (32/40 Oz), Nalgene (30/32/38/40 oz) , Yeti (20/26/36 oz Ramblers), Owala (19/24/25/32/40 oz) and more, accommodating bottles and mugs from 3.4 to 3.8 inches in diameter. Say goodbye to shallow cup holder issues as our expander features a tapered narrow base, ensuring a snug fit that eliminates rolling around during your drive. Crafted with durability in mind, the cup holder is constructed from impact and abrasion-resistant ABS plastic. The 3-inch upper cup is designed to stay in place during turns and abrupt stops, providing a secure hold for your flask, unlike other holders with a 2-inch upper cup. With a U-shape cutout, our cup expander accommodates coffee cups or travel mugs with external handles, making it versatile for all your beverage needs on the road. Upgrade your journey with Smart Kup – where compatibility, stability, and style meet.

## Features

- 𝗖𝗢𝗠𝗣𝗔𝗧𝗜𝗕𝗜𝗟𝗜𝗧𝗬 - This cup holder expander for car is designed to fit most 32 to 40 ounce wide mouth bottles with a diameter of of 3.4" to 3.8". It is super handy and can work with the most popular brands of bottles & mugs along with large fast food cups/containers up to 3.8 inches in diameter. It's a perfect cup holder adapter for you. Please measure your cups diameter before you order.
- 𝗙𝗜𝗧𝗦 𝗦𝗡𝗨𝗚𝗟𝗬 - Our cup holder expander holder comes with an expandable base that will fit console cup holders with a diameter of 2.5" to 3.75". The tabs on the upper cup will hold cups/bottles snuggly in place.
- 𝗦𝗧𝗔𝗬𝗦 𝗜𝗡 𝗣𝗟𝗔𝗖𝗘 - Built to stay in place while making turns and hitting brakes. This car cup holder is engineered with thick and durable plastic and the upper rubber tabs on the top of the cup holder will hold the cups/bottles firmly in place without tipping or spilling when driving.
- 𝗗𝗨𝗥𝗔𝗕𝗟𝗘 - The cup holder expander is constructed with ABS plastic that makes it resistant to any impact and abrasion. It provides superior sturdiness that fits into your existing cup holder to ensure bottles and cups of different sizes stay secure in transit.
- 𝗨-𝗦𝗛𝗔𝗣𝗘 𝗖𝗨𝗧-𝗢𝗨𝗧 - The car cup expander includes a slot on the side to accommodate coffee cups or travel mugs with external handles and allow their secure placement. Start your journey with your favorite beverages/bottles while on the road with the smart kup car cup holder.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Black (Expandable Base) |
| Material | Acrylonitrile Butadiene Styrene, Plastic |
| Brand | SMART KUP |
| Product Dimensions | 4"L x 4"W x 6"H |
| Hand Orientation | both |
| Manufacturer | 808 Innovate |
| Automotive Fit Type | Universal Fit |
| UPC | 611251200059 |
| Model | SMART KUP CUP HOLDER |
| Item Weight | 12.3 ounces |
| Item model number | SMART KUP CUP HOLDER |
| Manufacturer Part Number | CupHolder |

## Product Details

- **Color:** Black (Expandable Base)
- **Material:** Acrylonitrile Butadiene Styrene, Plastic
- **Brand:** SMART KUP
- **Product Dimensions:** 4"L x 4"W x 6"H
- **Hand Orientation:** both

## Images

![Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4"-3.8" - Image 1](https://m.media-amazon.com/images/I/61R8vZ7ySYL.jpg)
![Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4"-3.8" - Image 2](https://m.media-amazon.com/images/I/51TaT2IVYjL.jpg)
![Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4"-3.8" - Image 3](https://m.media-amazon.com/images/I/41J3CCYeCdL.jpg)
![Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4"-3.8" - Image 4](https://m.media-amazon.com/images/I/51JixPJrsqL.jpg)
![Car Cup Holder Expander with Adjustable Base, Cupholder Extender Holder for Car Compatible with Hydro Flasks 32/40 oz, Fits Yeti 24/36/46 oz, Other Large Bottles in 3.4"-3.8" - Image 5](https://m.media-amazon.com/images/I/41BBOf2tuWL.jpg)

## Available Options

This product comes in different **Color** options.

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**Shop now:** [https://www.desertcart.ni/products/639013913-car-cup-holder-expander-with-adjustable-base-cupholder-extender-holder](https://www.desertcart.ni/products/639013913-car-cup-holder-expander-with-adjustable-base-cupholder-extender-holder)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-21*