100% polyester Imported 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 Ypsi converts from a Single Stroller to Double Stroller with the Ypsi Double Adapters and Companion Seat (both sold separately) The seat is detachable, reversible and can be folded right on the chassis. Expandable basket 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