UPPAbaby Upper Adapters for Vista/VistaV2/VistaV3The UPPAbaby VISTA stroller allows for multiple second seat configurations. The Upper Adapters for your VISTA creates more space between your primary and secondary seats. Quick, no tools attachment Color coded dot indicators to ensure proper installment Stroller folds with the adapters on Compatible with VISTA models 2015 later, Bassinet models 2015 later, Toddler Seat and MESA Infant Car Seat (not included)