Product Details: This tumbler is crafted from high - quality stainless steel with double - walled vacuum insulation. It keeps drinks cold for 24 hours and hot for 12 hours. Say goodbye to sweat stains! No more water marks on your hands, tables, or surfaces. The 20oz tumbler is portable and convenient, fitting standard car cup - holders. It's perfect 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 any occasion like birthdays, graduations, Valentine's Day, and holidays. The BPA - free sliding lid is splash - proof with a drink hole on top (straw not included). We offer a 100% safety guarantee with no BPA and no heavy metal exceedance. Thanks to UV printing, the tumbler has a durable finish, resistant to weathering and fading. It's eco - friendly and reusable, reducing disposable plastic waste. Note: This is a flat - surface tumbler with a 3D inflated effect print. It's not safe for dishwashers or microwaves. Hand - wash it to preserve the outer coating. When cleaning, avoid hot water, detergent, hard cleansing tools, harsh abrasives, or chemicals that can damage the print.

Using this tumbler is easy. Just open the BPA - free sliding lid, fill it with your favorite hot or cold drink, and close the lid. You can sip directly through the hole on top. It's great for all your daily activities like going to the gym, driving, or working. When it comes to maintenance, remember this tumbler is not for the dishwasher or microwave. Hand - wash it gently with mild soap and lukewarm water. Don't use hot water, detergents, hard scrubbers, or harsh chemicals as they can damage the cool 3D inflated effect print. Keep it clean and it will last you for years, helping you reduce the use of disposable plastic cups.