Using your Frank Green 16 - ounce reusable ceramic water bottle is a breeze. First, fill it up with your favorite beverage. To drink, simply use the Flip Straw Lid. Just flip it open and enjoy sipping through the soft - feel silicone mouthpiece. When you're done, close the lid to prevent spills. This bottle fits well in car, bike, and pram cup holders, so you can take it with you wherever you go. As for maintenance, hand - wash the bottle and lid with mild soap and warm water. Avoid using abrasive cleaners as they might damage the ceramic or the silicone parts. Also, make sure to dry it thoroughly before storing. And remember, by using this bottle, you're helping the frankstersTM make our planet greener!