LIFTABLE INTERIOR HEIGHT DESIGE: Inspired by the liftable interior of some car cup holders, JOYTUTUS creatively designed this liftable cup holder.Easy press to change height. By adjusting the internal depth, you can put in and take out soda cans or coffee cups more conveniently. Perfect for small cups, keys, and more.Note: Lift function supports weights under 1.5 lbs. ONE STEP INSTALLATION: The JOYTUTUS Cup Holder Expander has an adjustable rubber base for easy car installation. Just aim it at your cup holder and insert. The base adapts to different shapes of car cup holders, making installation a breeze WE HAVE WHAT YOU NEED:Our cup holder for car is suitable for regular car cup holder with a diameter of 2.75-3.25 inches, it also can work with most popular brands bottles of 18-40 OZ or drink cup in 3"-3.8" diameter. NOTE: Our cup holder extender is not suitable for the original cup holder that is too shallow. Please measure the diameter of the original cup holder before you make the purchase. (※Tips: Not Compatible with Yeti 14oz Mug) INCLUDES A COASTER: High quality Coasters found at the bottom of the cup holder not only efficiently shields your cups but also reduces noise. The removable style facilitates cleaning ATTENTION TO DETAIL: The car cup holder expander comes with 4 removable rubber tabs that can be adjusted to fit your needs. For larger bottles, such as 32 oz Hydro Flask bottles, removing the tabs can provide a better experience. For slimmer bottles, the tabs can prevent wobbling while driving （Patented Design) JOYTUTUS Car Cup Holder Extender with interior lift, Car Cup Holder Adapter Fit Most Cup Holder