This sturdy car seat adapter allows you to easily transfer from car to stroller—without any fuss. It allows a compatible infant car seat to attach to the Thule Urban Glide 3 Double stroller (sold separately), creating a travel system that can be used from day one. The click-in design is compatible with most car seat models from Thule, Maxi-Cosi®, Cybex®, Nuna® and BeSafe®.