Seven Sparta Car Cup Holder Expander
Adapter with Adjustable Base, Fit for Most Car Cup Holder, Holds Large Bottles, Mugs and Other Big Drinks in 3.4"-3.8" Diameter
(Car Models Not Recommended: rav4; mini)
Compatible with Large Bottles in 3.4"-3.8" Diameter:
Compatible with Yeti 20/26/30 oz and Mug 10 oz,
Compatible with Hydro Flasks 32/40 oz and Mug 6/12 oz,
Compatible with Stanley Travel Tumbler 20/30 oz,
Compatible with Nalgenes 30/32/38/48 oz,
Compatible with Camelbak 32/40 oz,
(If you have bigger bottles in 3.8-4, such as Yeti mug 14oz, rambler 36/46oz. Please check the Upgraded Cup Holder of Seven Sparta.)