Enlarged Car Cup Holder Extender：This large cup holder expander for car is big enough compatible with most popular brands bottles and mugs. The cup holder shaft can be rotated 360°, turning one cup slot into two, which can store two beverages at the same time, increasing space utilization for you. Durable Build & Easy Setup: Made of high-quality ABS plastic for durability and impact resistance. Internal rubber tabs and coasters help prevent tipping and reduce shaking. No tools needed—just Insert the base into the car cup slot，rotate the cup holder expander to expand the bottom adapter and firmly fixed the base. Versatile 2-in-1 Design：By rotating the upper holder, the single cup holder becomes two. The lower automotive cup holder (3.7" diameter) with a U-shaped groove fits mugs with handles and is compatible with Hydro Flasks 32/40 oz, Camelbak 32/40 oz, Yeti, Nalgenes, Contigo, Tervis, etc. The upper cup holder expander adapter can be extended to 2.9"-6", allows for larger water cups, thermos, cell phones, food, ipads, fried chicken and instant noodles, etc. Adjustable Universal Fit Base：Featuring an expandable base that fits round car console cup holders from 2.6"to 3.9" in diameter. Suitable for most cars, golf-carts, RVs,SUVs, and trucks, and may not be compatible with some cup holder styles with pointed or elongated shapes. Please check your car’s cup holder size before purchase to ensure a proper fit. Space-Saving Solution：This adapter adds an extra cup holder for bottles, phones, snacks, and small items. When not needed, it folds back into a single cup holder. The detachable structure offers flexible use as either a single or dual holder.

Upgrade Your Car's Storage with Our Cup Holder Expander

Make the most of your vehicle's space with this practical car seat cup holder. Its clever rotating design lets you transform a single cup holder into two separate slots, giving you more room for drinks and everyday essentials.

Crafted from quality ABS material, this expander is built to handle daily use. The flexible base adjusts to fit most round cup holders between 2.6" and 3.9" in diameter, while the rubberized interior helps keep your items from shifting during travel.

You'll appreciate how it accommodates different container sizes - from standard coffee cups to larger bottles from brands like Hydro Flask and Yeti. The thoughtful U-shaped groove design also works well for mugs with handles.

Setting it up is straightforward: just place it in your cup holder, twist to expand, and you're ready to go. No tools or complicated installation needed.

Whether you're commuting, running errands, or taking longer trips, this space-saving accessory helps keep your drinks secure and your cabin organized. It's compatible with many vehicles including cars, trucks, and SUVs.

Bring better organization to your vehicle today with this versatile cup holder solution.