Made In Italy. The Ypsi stroller and Primo Viaggio 4-35 Nido car seat combine to create an attractive and highly functional travel system. The seat is detachable, reversible and can be folded right on the chassis. The Primo Viaggio 4-35 Nido docks directly onto the chassis with the "one time" Primo Viaggio Links (included). With a modern, sleek look and an innovative Load Leg base the Primo Viaggio 4-35 Nido is the perfect infant car seat for keeping baby safe and comfortable.