Attach any Nuna PIPA series infant car seat to the UPPAbaby® Vista and Cruz (2015 and later UPPAbaby® Vista/Vista V2 and Cruz/Cruz V2 Strollers) stroller, using this adaptor. With this ring adaptor, the PIPA series car seat clicks into the stroller instantly and can be removed with only one hand. Nuna PIPA Adaptor for UPPAbaby Vista & Cruz