These vacuum-insulated, thermal-control cups will keep your drink at just the right temperature for up to 24 hours! Enjoy perfect cold or hot beverages from morning to night. The clear lid has a perfect opening for sipping. This tumbler is perfect for traveling, lounging by the pool, camping, grilling, baking, cooking and more. The narrow bottom also fits in most car cup holders. Best of all, our tumblers are easy to customize. Customize these to create a matching set for your friends, personalize one as a cute present for mom, or get your favorite quote engraved for a daily dose of inspiration. With completely personalized text options, there will be no limits on what you can create with these portable stainless-steel mugs. Not only can you customize the text, but you can also pick from 15 different colors, such as red, blue, green, orange, teal, and more!