The Car Cup Holder Expander Adapter is a versatile accessory designed to hold large bottles securely in your vehicle. Made from durable plastic, this adapter is compatible with cup holders 65mm and changes to96mm in diameter at the top to hold a big bottle. The single cup holder design to ensures a convenient and practical solution for keeping your drinks within reach while on the road. Perfect for enhancing the interior of your vehicle and providing easy access to your beverages during long journeys.