Smart Flask Car Cup Adapter with New Removable Sizing Ring and Fitting Sleeve, Fits Our 32oz, Hydro Flask 32 & 40oz… Price: $18.67 (as of 02/12/2022 05:04 PST- Details) & FREE Shipping. Details

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PLEASE MEASURE BEFORE PURCHASING ! We want your Cup Adapter to work for you. Please measure your bottle and cup holder. Fits best with Flasks, Bottles and Cups measuring 3 3/8 to 3 3 7/8 inches in diameter. Works best in cup holders measuring 3 3/16 to 3 7/8 inches in diameter.
BIG FLASKS AND BOTTLES WILL NOW FIT IN YOUR CAR CUP HOLDER: It will also accommodate that giant coffee cup you could never take in the car. Fits Hydro Flask, Nalgene, Kleen Kanteen, Simple Modern, Mira and most other 32 and 40 ounce wide mouth flasks and bottles.