Bumbleride Jam Pack is a versatile stroller bag that uses an adjustable strap to easily convert from a shoulder bag for mom or dad to a fun backpack for busy toddlers. Styled to match each Bumbleride stroller and complete with two bottle pockets, waterproof inner lining and plenty of storage for all the active family's odds and ends, the Jam Pack is a great addition to any Bumbleride stroller.