Brand New In Box Stanley Halloween Glow in the Dark Quencher 40 oz Supercharge all the ways you stay hydrated with the Quencher H2.0 FlowState™ Tumbler in a range of bright colors. From study hall to game night, double-wall vacuum insulation means 40 ounces of iced water stays cold for up to 2 days. Recycled stainless steel and the 3-position lid make every sip sustainable. Kick off your spring season with a pop of neon for high-impact hydration.