The Single Adapter for the Book for Two allows fitting for one Primo Viaggio 4-35 car seat on the Book for Two double stroller, leaving the other seat available for an older sibling. This creates a perfect stroller combination for parents of siblings.
Made In Italy
attachment to assure an easy and safe click on installation.
Allows for baby to be facing parent and be up closer when strolling in travel system mode
Compatible with Book for Two stroller