Using your Frank Green 20 - ounce Reusable Ceramic Bottle is a breeze. First, open the Flip Straw Lid and fill the bottle with your favorite beverage. The soft silicone mouthpiece makes sipping comfortable. You can carry it around in your car, bike, or attach it to your pram as it fits standard cup holders. When it comes to maintenance, hand - wash the bottle and the lid with mild soap and warm water. Avoid using abrasive cleaners as they might damage the ceramic or the lid. Store the bottle in a cool, dry place. And remember, by using this reusable bottle, you're contributing to a greener planet!