UPPAbaby Vista Upper Adapters

The Vista Upper Adapters are required when using your Vista (2015- Current Model) stroller in duo configuration with the Vista Bassinet (2015- Current Models) Vista Toddler Seat, or Mesa Infant Car Seat (sold separately). These adapters provide additional space between the primary and secondary seats.    Specifications Quick, no-tools attachment When used for the toddler seat creates more space between the upper and lower seat, so kids are farther apart.  Color-coded dot indicators to ensure proper installment. The 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) Note to use in mono configuration, lower adapters are also required. (sold separately) Dimensions & Weight 8" x 6" x 2"  1.05 lbs