This is an additional Stokke PIPA by Nuna Infant Car Seat base only. Combining style and safety, the Stokke PIPA by Nuna Infant Car Seat gives your baby superior comfort and protection no matter where your travels take you.The Stokke PIPA by Nuna Infant Car Seat can also be used as a stroller seat as part of a travel system with all of our strollers including Stokke Xplory, Stokke Scoot, Stokke Trailz and Stokke Crusi without the use of adaptors.