The hamax smiley baby bike seat is an ergonomic and safe seat for babies and children the carrier is approved for children from 9 to 22 kg or app 1 5 years of agethe hamax smiley has a special practical patented safety belt a double buckle system makes an easy fit the bike seat is developed with help from children representing the target group and has resulted in a safe comfortable and practical seat the child seat is easily mounted to the frame of the bike for safety reasons an indicato