Expand Your Vehicle Cup Holder to Fit Beverages that are 3.25" across the bottom, Like 18, 20 & 21 Oz Hydro Flask and 20 & 30 oz YETI Tumblers No Tools Needed! Great for Cars, Trucks, RVs, Tractors, Golf Carts & Boats! PROUDLY MADE IN THE USA Fits 18, 20 oz & 21 oz Hydro-Flask Containers Open Space to Accomodater Mug Handles . Large Convenience Store and Fast Food Cups WILL THE CUP KEEPER FIT YOUR VEHICLE AND YOUR BEVERAGE? WILL THIS FIT MY BEVERAGE CONTAINER? Measure your beverage container... GADJIT Cup Keeper fits: -Hydro Flask 20 oz Wide Mouth container -YETI 20oz & 30 Oz tumblers -YETI Colster -YETI 12 oz JR -YETI 12 oz & 18 oz Bottles Cups & Mugs with a base diameter of 2.75-3.25" If your beverage container is 2.75 to 3.25" across the bottom, it will fit in the Cup Keeper. If it is over 10" tall, it may start to get a little tippy. Examples of a good fit are: -Hydro Flask 18 oz & 21 oz Standard Mouth Containers -Hydro Flask 20 oz Wide Mouth container -YETI 20oz & 30 Oz tumblers -YETI Colster -YETI 12 oz JR -YETI 12 oz & 18 oz Bottles WILL THIS FIT MY CUP HOLDER? Measure the base of your cup holder... To ensure a good fit – PLEASE MEASURE the diameter (width) and depth of your existing cup holder. IF IT IS 2.5 - 3" across - IT WILL FIT IN YOUR CUP HOLDER. If your cup holder is 3" across, consider purchasing Cup Keeper 2.0 with Beverage Bands for a snugger fit. MADE IN USA Made of super strong poly-resin plastic, the GADJIT CUP KEEPER with hold up to extreme weather in hot and cold temperatures. Proudly made in the USA by a family owned and operated company. Measure Your Beverage Container and Vehicle Cup Holder for a Good Fit! Measure the width of your Beverage Container If the base of your beverage container or cup is 2.75" to 3.25", it will fit in the Cup Keeper! Measure Your Cup Holder - 2.5" to 3" & Cup Keeper Fits! If the diameter of your cup holder is 2.5" to 3", the GADJIT CUP KEEPER will fit! MEASURE to be sure you get a Good Fit! Great for Insulated Travel Mugs, 20 Oz and 1 liter Beverage Bottles and large convenience store cups. Gadjit Cup Keeper Adapter expands Car Cup Holder to hold Mugs, Convenience Store Cups, Water + Soda Bottles with bases up to 3.25" and up to 8-10" tall Is Your Cup holder too narrow for your to-go beverage? Cup Keeper Adapter EXPANDS your vehicle’s cup holder so it can hold insulated mugs, convenience store cups, & water and soda bottles with bases up to 3.25” and up to 8-10” tall. NO INSTALLATION needed. Simply place in your cup holder and set your mug, cup, or bottle in Cup Keeper. PORTABLE - Work in cars, trucks, RVs, golf carts. It goes where you go. Durable, Dishwasher-safe. DURABLE - · Strong Poly-resin construction Won’t warp or crack. Unbreakable in extreme heat or cold. MADE IN USA - Cup Keeper was invented, Patented and is Proudly Made in Minnesota, USA Use with Travel Mugs, Store Coffee Cups, Water Bottles, Store Soda Cups with bases up to 3.25” and up to 8-10” tall. WARNING--Too tall beverage containers may wobble and tip over. If Your Vehicle Beverage Holder is 3" in Diameter, You May want to try GADJIT CUP KEEPER 2.0. It includes a Beverage Band to give you a sturdy fit! GADJIT CUP KEEPER 2.0