UPPAbaby Aria Infant Car Seat with Extra Base - Lightweight, Safe & Comfortable Baby Carrier for Newborns - Perfect for Travel, Shopping & Daily Use

UPPAbaby Mesa & Mesa V2 Infant Car Seat with Extra Base - Safe & Comfortable Baby Travel Solution for Newborns - Perfect for Cars, Strollers & Airplane Travel

Clek Liing Extra Base - Universal Infant Car Seat Base for Safe & Easy Installation | Perfect for Travel, Daily Commutes & Family Road Trips

Doona Extra Infant Car Seat Base - Safe & Easy Installation for Babies | Perfect for Travel, Daily Commutes & Family Outings