【Perfect Fit】This spill proof replaceable tumbler flip straw lid designed for Stanley 40 oz tumblers, including Stanley Quencher ProTour，Stanley Adventure Quencher Travel, Stanley H2.0 FlowState tumblers.
The 40 oz Tumbler Flip Straw Lid Replacement for LeakProof Quencher Cup is best suited for people using a 40 oz water bottle with a flip top straw.
