Introducing the 2012 Primo Viaggio SIP 5-70 Convertible Car Seat in Crystal Black. The safety and style of the Primo Viaggio car seat now available in a Convertible. The Primo Viaggio SIP 5-70 Convertible can hold a child in a rear-facing position to 40 lbs and a forward-facing positio to 70 lbs. Easy to adjust Side Impact Protection lets the Convertible keep baby safe as he grows.