Human Engineering Mechanics Design:Before the high after the low wave-shape design,effectively alleviate the impact of the brakes,reduce the damage,give the baby a comfortable ride environment. This booster car seat helps safely Transport Your big kid from ages 6 to 12; and from 15 to 36 kg. Reduce injuries and give your baby a safe and comfortable ride environment. Fabric breathable, non-slip shock absorption, soft and environmentally friendly. It is suitable for use on the family table and acts as a booster pad.Booster Car Seat with ECE R44/04 certification