EXPANDABLE BASE FOR DIAMETER 2.53.75 CAR CENTRE CONSOLE CUP HOLDER Seven Sparta car drink cup holder comes with a base that expands to fill the console cup holder to fit different vehicles, such as motorcycles, boats, trucks, RVs and golfcarts. If your vehicles cup holder has edge obstructions, we recommend considering our Rubber Base Expander for a perfect fit. Vehicle Not Recommended 20192023 RAV4, 20092018 Forester, 20202024 Outback, 20092015 Prius. FIT MOST 32 OUNCE 40 OUNCE WIDE BOTTLES AND DIAMETER 3.43.8 The car drink cup holder is big enough for oversized thermoses, it also can work with most popular brands bottles and many large fast food cups in 3.43.8 diameter. Please measure your cups diameter before ordering, taking into account the overall height for accurate selection. For cups with a diameter exceeding 3.8 inches, we recommend purchasing our Upgraded Expander. SECURES TIGHTLY WITHOUT TIPPING OR SPILLING This car cup holder built with solid and thick plastic and the rubber tabs around the top of the cup holder hold the cup firmly in place without tipping or spilling when driving down the road. LARGE SLOT FOR CONTAINER WITH HANDLES It is easy to remover the cup holder from the slot. And the cup holder has a base deep enough to provide great balance for your water bottle. UPGRADE VERSION Thanks for our customers who feedback the problem about the cup base. Please rest assured that customer experience is always our first consideration. Now we have upgraded the material to solve this problem. Please check the compatibility of the vehicle and the cup before purchasing.