This Baby Jogger Stroller Cooler bag is designed to keep food or drinks cold. Rests firmly on the bottom of stroller. The Cooler Bag is the best way to keep things cool on the go! It holds six small baby bottles or 12oz cans and attaches seamlessly to the frame of your stroller. Compatible with most strollers, the Cooler Bag is a must have for parents who want to keep things cool!