This tumbler is crafted from high - quality stainless steel with double - walled vacuum insulation. It keeps your drinks cold for up to 24 hours and hot for up to 12 hours. Say goodbye to sweat and water stains! The 20oz tumbler is portable and convenient, fitting standard car cup - holders. It's great for sports, gym, fitness, driving, traveling, staying home, or working in the office. With thousands of cool designs, you can express your personality. It makes a thoughtful and practical gift for birthdays, graduations, Valentine's Day, holidays, etc. The BPA - free sliding lid is splash - proof with a top drink hole for easy sipping (straw not included). We offer a 100% safety guarantee, no BPA and no heavy metal exceeded. Thanks to UV Printing, the tumbler has a durable finish, resistant to weathering and fading. It's eco - friendly and reusable, helping reduce disposable plastic cups. This is a flat - surface tumbler with a 3D inflated effect print for a premium look. Please hand wash it to preserve the outer coating. Don't use hot water, detergent, hard cleansing tools, harsh abrasives, or chemicals. It's not safe for dishwashers or microwaves.

Using this tumbler is easy. Just open the BPA - free sliding lid, pour in your favorite drink, and start sipping through the hole on top. It's perfect for taking on the go, whether you're driving or at the gym. When it comes to cleaning, always hand wash it with mild water and a soft cloth. Avoid using hot water, detergents, hard brushes, or any harsh chemicals as they can damage the print. Never put it in the dishwasher or microwave. By following these steps, your tumbler will stay in great condition for years, showing off its cool 3D inflated effect print and keeping your drinks at the right temperature.