with you for your lunch or for a snack when you don't want to have a large soda. they are tasty when they are iced cold and the coke could also be a good choice for mixing drinks. the size works well for mixers, so you won't have to worry about wasting soda.
when you are buying your coke, you want to make sure that you have enough to last for you, your family and for any friends that might come over for a visit. 