Quencher H2.0 FlowState Tumbler The Quencher H2.0 FlowState Tumbler 40 OZ Stanley The quencher h2 0 flowstate tumbler 40 oz Artofit Ultra PDP Valentines Day Quencher Flowstate [hidden] Stanley 1913 EU The Quencher H2.0 FlowState Tumbler 40 OZ Stanley. This Quencher H2. 0 is generously sized (but not oversized) with an easy carry, comfort grip handle and a narrow base that will fit most cup holders. Long day of meetings? Rowing class? Trip out of town? Our durable 30 oz tumbler, made with recycled stainless steel, is up to the hydration challenge. The double wall vacuum insulation will keep your water cold for 9 hours and iced for 40 hours. And to cap things off, theres an advanced FlowState lid that features a rotating cover with three positions: a straw opening designed to resist splashes with a seal that holds the reusable straw in place, a drink opening, and a full cover top.