Using your UCO Collapsible Camp Cup is easy. First, expand the cup and you're ready to fill it with your favorite hot or cold beverage. You can use it to drink coffee in the morning or a cool drink in the evening during your camping trip. When you're done, simply collapse it for easy storage. It fits well in your camping gear bag or even in a cupholder of your car. As for maintenance, you can wash it with mild dish soap and warm water. Make sure it's completely dry before storing it. Since it's made of recycled polypropylene and is BPA - free, you don't have to worry about harmful chemicals affecting your health. Just keep it away from sharp objects to avoid any damage to the cup.