Stanley Iceflow Stainless Steel Tumbler with Straw - Vacuum Insulated Water Bottle for Home, Office or Car Reusable Cup with Straw Leak Resistant Flip Cold for 12 Hrs or Iced for 2 Days (Rose Quartz) STAY HYDRATED FOR THE WHOLE DAY: This large tumbler with lid and straw can hold 30 oz of thirst-quenching beverage to power you through your longest days; Perfect for drinking water, smoothies, or iced coffee; Just fill it up and get on with your day. KEEPS COLD FOR A LONG TIME: Constructed with double-wall vacuum insulation and 18/8 stainless steel, your drinks will stay nice and chilled for 12 hours or iced for up to 2 days. Plus