Cup Keeper PLUS car cup holder adapter expands vehicle cupholders to accommodate your favorite drinks and containers on-the-go. Stay Hydrated or Awake with your favorite beverage in a stable holder, fits most containers up to 3.7" in diameter.  Just place it in your current cupholder and place your drink in Cup Keeper PLUS – No Tools required, portable from vehicle to vehicle. Fits 32 oz Hydro Flask, Yeti, Nalgene water bottles, insulated cups and mugs up to 3.7” diameter. The side slot allows for mugs with handles. Universal design -Flip N’ Fit Disc centers beverages in the Cup Keeper PLUS. Remove the disc to hold super slim beverage containers. Below the Flip N’ Fit Disc is a storage compartment - Keep change or mints, hidden yet convenient. Color: Black