Breastmilk Cooler Bag comes with an ice pack that can place up to 6 up to 9 ounce baby bottles. Size of baby bottle bag L9" X W7.3"X H9" Great Insulation - Baby bottles tote bag has a great insulated lining that will maintain the temperature constant, keep the milk cooler for up to 8-12 hours. LTKbaby LTKFitness LTKbump