The stylish new Neptune car seat is approved to EC R44/04, for Groups 1/2/3, suitable for children from 9 to 36 kg (from 1 to around 12 years of age). When the seat is used in Group 1 mode (from 9 to 18 kg) the child must be fastened in using the car seat safety harness. The 5-point harness has comfortable shoulder pads and an easy to use one-pull harness adjustment. The 5-point harness can be removed and replaced by the standard car safety belts for use in Group 2 and 3. For Group 3 use (from 22 to 36 kg) you can choose whether to use the car seat with or without the backrest.