Car Cup Holder Expander with Adjustable Base

Meet the perfect add-on for life on the go. Our Car Cup Holder Expander is designed to fit all DOS Water Bottles securely, even the larger sizes that don’t fit in standard cup holders. With an adjustable base and non-slip design, your bottle stays upright, steady, and easy to reach—no matter where you’re driving.

Why You’ll Love It:

• Fits DOS Bottles Perfectly: No more squeezing or forcing your bottle into tiny cup holders.

• Adjustable Base: Expands to lock into most car, truck, and SUV cup holders.

• Stable & Secure: Non-slip grips keep your drink steady on bumpy roads or sharp turns.

• Simple Setup: Twist to secure — that’s it.

• Everyday Durable: Built strong for training days, school runs, road trips, and everyday driving.

Made to make your life easier. Keep your DOS bottle exactly where it should be — upright, accessible, and ready when you are.