HY5 is an innovative foldable rear facing child car seat. It combines the size categories of 0 and 1 and, thanks to its flexible fit, HY5 offers high safety for children between birth and five years of age. With a total weight of under 5 kg, its patented folding mechanism and a bag to carry, HY5 enables urban families to use the new mobility services like car sharing and provides high standards of safety on any trip around the world.