Cup holder adapter to fit large bottles up to 91.5mm in diameter. The smaller necked portion will fit bottles up to 68mm in diameter. It was designed to fit a 2016 RAV4 but will likely fit other vehicles including 2015-2018 RAV4s. There are three cutouts that allow this adapter to lock into the factory retention clips in the cup holder.
The author marked this model as their own original creation.