Car Cup Holder Expander for Upgraded Dual Cup Holder

-CAR CUP HOLDER EXPANDER: Seven Sparta automotive cup holders is excellent products that make the driving experience more convenient and more safe. The car cup holder extender of upgraded version is compatible with bottles, thermoses, cups, mugs of most popular brands in 3’’-4’’ diameter, especially for oversized/larger one. -DUAL CUP HOLDER HOLDER FOR CAR STORAGE: The upper cup holder for car is suitable for regular car cup holder with a diameter of 3’’. The lower cup holder for large tumblers, bottles and cups up to 4’’ wide, so far has compatible with Yeti 20/26/30 oz Hydro Flasks 32/40 oz Nalgenes 30/32/38/48 oz Camelbak 32/40 oz. -EXPANDABLE BASE FOR DIAMETER 2.6"-3.9" CAR CENTRE CONSOLE CUP HOLDER: adjustable cup holder for car that rotate clockwise to expand, rotate counterclockwise to restore. -SECURES TIGHTLY WITHOUT TIPPING OR SPILLING: This hydroflask cup holder built with solid and thick plastic and the rubber tabs around the U-shaped slot on the cup holder extender allows mugs to be fit in and the 4 rubber tabs attached to the cup holder help stabilize the bottles to effectively protect them from tipping. -CUP HOLDER HOLDER FOR CAR: 2 cup holders in 1 is easy to remover the cup holder extender from the slot. And the expandable cup holder for car has a base deep enough to provide great balance for your water bottle.