harmony car seat for toddlers weight 18.1 --50 kg. (40-110 lbs). height 86.4 --144.8 cm (34--57 inches)/ energy absorbing foam for comfort. Was used for very short time. from harmony---We can confirm that the Dreamtime Elite meets and exceeds the CMVSS Canadian Standards. We can also confirm that as per what is stated in your manual, the seat expires 6 years from the manufacture date. Based on the date you provided, your seat expires 2022-05-06.