ALL DAY INSULATED: The 40 oz tumbler with lid and straw features LEIAOLY's double wall vacuum insulation technology to keep your drinks at the perfect temperature throughout the day. Our coffee travel mug's design stops spills when hitting bumps on the road, or when taking it on a jog. CUPHOLDER FRIENDLY: Whether you're driving to work or running errands, the tapered slim-base design of our insulated coffee mug allows it to fit perfectly in most cupholders, so you can keep your favorite drinks close at hand while you're on the go. DURABLE AND STYLISH: Made of premium 18/8 food grade stainless steel, covered with a layer of our durable, yet beautiful powder coating. The 40oz tumbler with handle feels sturdy in your hand, and it's available in a range of aesthetic colors that are sure to please. Made from recycled stainless steel for sustainable drinking, our 40 oz provides maximum hydration with fewer refills. The commute, studio workout, day trip, or your front porch—you'll want to have this tumbler close by. Thanks to LEIAOLY's vacuum insulation, your water will stay ice cold for hours. The advanced lid features a three-position swivel lid: straw opening designed to prevent splashes while holding the reusable straw in place, drink opening, and full lid top. The ergonomic handle includes a comfortable grip insert for easy carrying, and the narrow base fits in virtually any car cup holder.