Large Car Cup Holder Adapter — Expandable Universal Tumbler & Bottle Holder Insert

Finally, a Cup Holder That Fits Your Big Tumbler

If your favorite oversized tumbler, thermos, or big water bottle has never fit your car's factory cup holder, this adapter solves it. It widens your existing cup slot to comfortably and securely hold larger drinkware — no more cups tipping over or refusing to sit flat.

Why You'll Love It

• Large Diameter Expansion — Widens your car's stock cup slot to fit oversized tumblers, thermos mugs, and large beverage bottles that normally won't fit
• Stable, Non-Slip Fit — Embedded adaptive structure snugly locks into your vehicle's built-in cup slot, keeping drinks steady even over bumps and turns
• Tool-Free Installation — Simple plug-and-play design, no tools or modifications needed
• Durable Build — Made from sturdy, wear-resistant plastic designed for daily use
• Universal Fit — Matte black minimalist finish blends with most car interior styles

Specifications

• Material: Plastic
• Style: Matte Black
• Package Size: 119 × 119 × 195mm
• Model: SB-3055

What's Included

• 1 × Car Cup Holder Adapter