The Cruz Upper Adapters provides a 4” lift on the Cruz V2 for closer interaction to baby when attaching the Cruz Toddler Seat, Bassinet (2015+), and Aria or Mesa Infant Car Seats. Features: -Quick, one-handed, no-tools attachment and removal -Stroller folds with the adapters on -Compatible with Cruz Toddler Seat, Bassinet (2015+), and UPPAbaby Infant Car Seats on Cruz V2 -Toddler Seat can be forward-facing or parent-facing for added convenience -Convenient storage space located in the basket when adapters are not in use