The Baby Jogger City Select Baby Stroller - Adapters Set For Second Seat is a set of black rubber tires designed specifically for the Baby Jogger City Select stroller model. This unisex stroller seat adapter allows for a second seat to be added to the double seating capacity, making it ideal for parents with infants. The rubber tires provide a smooth and stable ride while the black color complements the overall design of the Baby Jogger City Select stroller. Perfect for families with two young children, this stroller accessory ensures a comfortable and convenient way to transport both kids securely.