Stay hydrated all day with the Stanley 30 oz Insulated Hydration Tumbler. Perfect for adventurers, this durable water bottle features a leak-proof lid and a wide handle for on-the-go convenience. The new 30-ounce Quencher ProTour Flip Straw Tumbler keeps your drink ice cold for hours, thanks to double-wall vacuum insulation. The ProTour Flip Straw Lid is completely leakproof. Just flip up the built-in straw for fast hydration. - Large 30 oz capacity 9 hours cold 40 hours iced 18/8 recycled stainless steel Double-wall vacuum insulation Leakproof ProTour Flip Straw lid that fits all 30-ounce Quenchers Removable spout Car cupholder compatible BPA-free