Upgrade your car's convenience with our Expandable Car Cup Holder with Adjustable Base. Designed to accommodate big bottles ranging from 3.4 to 3.8 inches in diameter, this versatile cup holder is the perfect fit for your on-the-go hydration needs. Its innovative expandable base ensures a secure grip, keeping your beverages steady even during bumpy rides. Specifically crafted for compatibility with Hydro Flasks 32/40 ounce sizes, this cup holder provides a snug and secure placement for your favorite water bottles. No need to worry about spills or accidents anymore – keep your drinks within easy reach and enjoy a comfortable drive. Featuring a sleek and modern black finish, this car cup holder seamlessly blends with your vehicle's interior. Whether you're commuting to work, embarking on a road trip, or simply running errands, our Expandable Car Cup Holder with Adjustable Base is the ultimate accessory to enhance your driving experience. Stay hydrated and stylish on the road with this must-have addition to your car's interior.