Let us help you move quickly on the trends with our new oversized 40 oz Tumblers. The double-walled vacuum insulation is sure to keep your drink at optimal temperature for longer, whether it be hot or cold. Use the included reusable straw, or turn the lid to take a swig. The premium design and leak-proof lid makes this a great companion to have while on-the-go. Keeps drinks cold for up to 12 hours and warm up to 6 hours