The BOB Infant Car Seat Adapter allows parents to put their infant car seats nient tray for sippy cups, toys, snacks, and more. Semi-permanent installation for safety and durability thainto single seat BOB strollers providing a great deal of flexibility and convenience when traveling. It also includes one convet folds with the stroller. This adapter is compatible with Britax Companion 2003 and newer, Graco Snug Ride 2003 and newer, Peg Perego Primo Viaggio 2003 and newer, Peg Perego Primo Viaggio SIP 2006 and newer, Graco Safe Seat 2006 etc. BOBs redesigned Single car-seat adapters provide the parents with flexibility and long-term usability. After the child outgrows a car seat and can travel safely in the Strollers compartment. Not compatible with 2011 and newer strollers.