Royal baby: Britax Baby-Safe Infant Carrier that will carry the future king home Prince William was seen to carry his son from the hospital in a car seat Car seat is Britax Baby-Safe Infant Carrier, which retails for as little as £80 It has won safety awards and is said to be a favourite among new parents Britax expressed its delight that the Royals may use one of its products By Martha De Lacey and Steve Nolan He may be third in line to the throne, but the newest addition to the Royal family was carried away from St Mary's Hospital seated in something a little more practical and safe. Well wishers outside St Mary's Hospital watched as Prince William carried the Royal baby in his car seat from the steps of the Lindo Wing earlier today. But a far cry from the throne he will one day occupy, The Duke and Duchess of Cambridge's newborn son will have to make do with an £80 car seat for now. Prince William was seen carrying his son in a simple Britax Baby-Safe Infant Carrier car seat and although he appeared to fix it effortless into the car - he had a helping hand. The Duke and Duchess of Cambridge's newborn son is pictured in the Britax car seat as the couple left St Mary's hospital in Paddington this evening Safe and snug: Prince William carries his day old son to the car in the £80 car seat which has one safety awards First glimpse: The baby looks to be crying as he is carried out to the Royal car in front of the lenses of the world's waiting media The Prince avoided every new father's worst nightmare - grappling with seatbelts trying to fasten the seat into the car - as he simply clipped it into a pre-belted base. While the seat is a snip, retailing from as little as £80 online, the base itself sells for as much again. The car seat won the Mother & Baby award for Best Buy in the infant car seat category in 2012, and is a favourite among new parents. Crowds gathered outside the hospital were given a sneak peak of the child's first throne when an aide was seen carrying it into the maternity wing earlier today. A Britax spokesman told MailOnline: 'The car seat is very safe, award-winning, and a great choice for newborns.' According to Britax: 'The lightweight Baby-Safe provides a secure travel solution for your baby from birth. The car seat arrives at the Lindo Wing earlier today carried by an aide, left, who accompanied Kate and William's hair stylist Amanda Cook Tucker, right A far cry from the throne he will one day occupy, the seat retails online for as little as £80 Safety first: A close up of the car seat as it was carried into the Lindo wing earlier today 'They are secured by the 5-point safety harness and the deep, softly-padded side wings and head support add to your baby's safety and comfort. The integral cushion allows your baby to lie in a more natural, comfortable position. Incidentally, Britax also have a model called the King Plus, for babies over nine months old. We'll have to wait until 2014 to see him in that one. European Managing Director, Ian Watson, said that his firm were 'delighted' that one of their seats will carry the heir to the throne from the hospital. He said: 'As a British brand and the leader in child travel safety, are delighted and honoured to hear that the Prince of Cambridge could be making his first journey in one of our infant carriers. We send our warmest wishes of health and happiness to TRH The Duke and Duchess of Cambridge as they begin their exciting journey in to parenthood. The car seat could be used to transport the new baby for at least a year. Britax says it is safe to use their seat until the baby weighs 13 kgs, the normal weight for a 12 to 15 month old. Safe at a snip of a price: The Britax baby-Safe infant Carrier, which the Duke and Duchess of Cambridge carried their newborn son home in, retails online from just £80 Cheat: But the couple also used a pre-belted base for the seat which saved the new parents from grappling with seatbelts in an attempt to strap their son in