Attach your Chicco or Peg Perego infant car seat to your Baby Jogger City Select City Select 2 or City Select LUX stroller to convert to travel system Easy safe installation and removal Stroller can be folded while the adapters are attached Compatible with City Select City Select2 and City Select LUX strollers Use with certain Chicco and Peg Perego infant car seats find a full compatibility chart on the Baby Jogger website