*Returns not accepted on any opened, used, or defective product. Contact manufacturer customer service directly for defective products/parts. From UPPAbaby, these stroller adapters feature: Our VISTA 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) Imported.