The Car Cup Holder Expander is designed to improve drink accessibility and reduce spills while you drive. Key features and benefits include: Adjustable base to fit a range of cup holders The base is adjustable to accommodate different cup holder sizes, providing a stable fit in your vehicle. Bottle and cup compatibility Holds various bottle sizes with a diameter up to 105 mm (4.1 inches), helping you use different beverages without swapping accessories. Spill prevention and easy access Keeps drinks secure and within arm's reach, helping minimize spills during driving and stop‑and‑go traffic. Durable and easy to clean Waterproof construction supports long lasting use and simple cleaning after spills or splashes. Practical for everyday and long trips A convenient solution for road trips, daily commuting, and errands, ensuring beverages are accessible when you need them. Designed for long distance travel Specifically aimed at travelers who want hydration on the road without sacrificing space or comfort. Use scenarios Road trips and long drives: keep water, coffee, or other beverages within easy reach, reducing the need to reach into the cup holder and helping minimize spills. Daily commuting and running errands: maintain quick access to your drink in heavy traffic or while parked, keeping the cabin organized and distraction to a minimum. Extended travel or vacations: enjoy steady access to beverages throughout long journeys, supporting hydration and comfort on the road.