- Multifunctional Design: The car cup holder expander features an adjustable base and a retractable function that securely holds your beverages in place, preventing spills and keeping your car tidy. With a 360° rotating shaft, this cup holder can accommodate two drinks simultaneously, maximizing your storage space. - Sturdy Construction: Made from high-quality ABS material, this cup holder expander is designed for durability and stability. The rotating base extends from 6 cm to 10 cm without wobbling, ensuring a firm grip on your cups. Shockproof silicone along the inner edges protects your cups from collisions during travel. - Versatile Compatibility: The adjustable diameter of the cup holder expander ranges from 7.5 cm to 15 cm, making it suitable for various drink containers, including large water bottles and coffee mugs. Its U-shaped mouth design accommodates a variety of handle styles. - Enhanced Stability: Designed for practicality, the top cup holder features a locking switch to secure it in place after rotation. Silicone cushions on the walls and base reduce rattling, while a non-slip coaster at the bottom ensures a stable fit on any surface. - Ideal Use Scenarios: Perfect for road trips, daily commutes, or carpooling, this cup holder is a must-have for anyone who enjoys beverages on the go. Whether you're sipping coffee during your morning drive or hydrating with a water bottle on a long journey, this expander keeps your drinks secure and accessible. This cup holder expander is compatible with a wide range of vehicles, making it a practical addition for any driver looking to enhance convenience and organization in their car.