Mompush Lithe Lightweight Double Stroller For Infant and Toddler | Mompush
UPPAbaby Car Seat Adapter for Maxi-Cosi® and Nuna®
Amazon.com: Baby Jogger | Maxi COSI, Be Safe, Cybex Car Seat Adapter | Compatible with City Mini 2 Double Stroller, City Mini GT2 Double Stroller, Black (Adapter only) : Baby