Features -Allows you to turn your Baby Jogger City Select, City Select LUX, City Premier or City Versa stroller into a travel system -Provides a place to securely attach your car seat to the stroller until your baby can sit in the upright seat -Stroller can be folded with the adapter attached -Adapts Graco car seats (SnugRide Click Connect 30 / SnugRide Click Connect 35LX / SnugRide Click Connect 40) et Baby Jogger car seat (City Go) *Only Compatible with the following Baby Jogger Strollers : City Select, City Select LUX, City Premier and City Versa *Not compatible with the Graco Classic Connect car seats.