The Uppababy Vista Cruz 2015 Onwards Car Seat Adaptors are designed specifically for use with Maxi-Cosi, BeSafe, and Cybex baby car seats. These adaptors securely attach the car seat to the Uppababy Vista Cruz stroller, allowing for a smooth and easy transition from car to stroller. With a sleek and durable design, these adaptors are a convenient accessory for parents looking to streamline their travel arrangements for their little ones.