Stanley Quencher ProTour Tumbler Which size - 40 oz or 30oz

Buy it here (affiliate link): https://geni.us/IRY8v https://geni.us/Se4ioYk STANLEY Quencher ProTour Flipstraw Tumbler, 40 oz, Black We often include links to buy products we use. As an Amazon Associate, I earn commissions from qualifying purchases. Thank you!