INCLUDES: 1 ring adapter COMPATIBLE STROLLERS: UPPAbaby Vista Stroller (models 2015-2019), Vista V2 Stroller, Vista V3 Stroller, Cruz Stroller (models 2015-2019) Cruz V2 and Cruz V3 stroller. NOT COMPATIBLE WITH STROLLERS: UPPAbaby Vista models (2014 and older), Cruz models (2014 and older), Ridge, Minu, and Minu Duo strollers, or any non-UPPAbaby branded stroller INFANT CAR SEAT COMPATIBILITY: Chicco infant car seat models - KeyFit 30, KeyFit 30 Zip, KeyFit 30 Zip Air, KeyFit 35, Fit2, Fit2 LE, Fit2 Air CREATE A TRAVEL SYSTEM: These adapters allow you to fit Chicco infant car seats to the frame of your stroller, taking baby straight from the car to the road! QUICK ATTACHMENT: Easy snap-in, snap-out installation. FOLD-FRIENDLFOLD-FRIENDLY: Stroller folds with adapter attached for Vista, Vista V2, Vista V3 and Cruz. Note, adapter must be removed before folding the Cruz V2 or Cruz V3.Y: Stroller folds with adapter attached for Vista, Vista V2, Vista V3 and Cruz. Note, adapter must be removed before folding the Cruz V2 or Cruz V3.