The jane koos car seat44 has been designed for your babys protection in the car you will be able to transport your baby both easily and safely the new koos is a group 0 baby carrier that has been officially approved in accordance with the european safety standards ece r4403the koos is one of the lightest car seats on the market at only 29kg thanks to new innovative materials and advanced technical solutions incorporated into its manufacture unlike some infant carriers on the market4