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 marks as there's no worry about water stains on hands, tables, or other surfaces. The 20oz tumbler is portable and convenient, fitting standard car cup - holders. It's a great choice for sports, gym, driving, traveling, staying home, or working in the office. With thousands of cool designs, you can express your personality. It makes thoughtful and practical gifts for birthdays, graduations, Valentine's Day, holidays, etc. The BPA - free sliding lid is splash - proof with a drink hole on top. Safety is guaranteed with no BPA and no heavy metal exceeded. The UV - printed finish is durable and resistant to weathering and fading. It's eco - friendly and reusable, reducing disposable plastic waste. Note that it's not safe for dishwashers or microwaves. Hand - wash it to preserve the outer coating. When cleaning, avoid hot water, detergents, hard cleansing tools, harsh abrasives, or chemicals that could damage the print.

Using this tumbler is easy. Just open the BPA - free sliding lid and pour in your favorite cold or hot drink. It'll keep your drink at the right temperature for a long time. When you're on the go, it fits nicely in your car's cup - holder. It's perfect for any activity, whether you're at the gym or traveling. For cleaning, don't use the dishwasher or microwave. Instead, wash it by hand with lukewarm water. Avoid using hot water, detergents, hard sponges, or chemicals as they can damage the 3D inflated effect print. With proper care, this tumbler will serve you well for years and help reduce plastic waste in the environment.