Porsche Child Seat - Junior Seat Isofix G1. 9-18 Kg. For group 1 children (about 9 months to 4 years or 20 to 40 lbs, 9 to 18 kg). In separate Porsche Design. The seat can be fastened either with the vehicle seat belt or via the L.A.T.C.H. system. The 5-point belt system with safety lock provides for improved support. With multiple adjustable seat positions, height-adjustable headrest and shoulder belts.