From Thule, this car seat adapter features: Car seat adapter for double stroller Maxi-Cosi® Click-in style car seat adapter compatible with car seat models from Thule, Maxi-Cosi, Cybex, Nuna, and Be Safe Easy click-in installation and removal Compatible with popular car seat models from Maxi-Cosi, Cybex, BeSafe, and Nuna (see fitting compatibility) Compatibility: Thule Urban Glide 3 double Approved up to 9 kgs (child weight) Imported.