Agio by Peg Perego Z4 Stroller - Single to Double – Baby Grand
Peg Perego YPSI Double Adapter : Amazon.ca: Baby
Peg Perego - Duette Piroet – Bambino Furniture
Ypsi – Compact Single to Double Stroller – Compatible with All Primo Viaggio Infant Car Seats & Ypsi Bassinets - Made in Italy - Mon Amour (Beige, Pink, & Rose Gold) : Amazon.ca: Baby