Twilight 30oz QuencherThis Quencher H2. 0 tumbler with a handle 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 with a straw, 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,