Like new adapter, rarely used Item # AD09100ACS Quickly and easily connect your Nuna PIPA series infant car seat to your BOB® single stroller (2016 and newer models) up through Revolution Flex 2.0 with this adapter. Does not fit Alterrain, Alterrain Pro, Rambler, Wayfinder or Revolution Flex 3.0. It's compatible with Nuna PIPA series infant car seats*. *Not compatible with PIPA lite rx and PIPA urbn FEATURES Cleverly connects to stroller with just a click Creates a safe a and sturdy connection for superb strolling Release buttons make switching the PIPA between stroller and car quick and easy