The Safety 1st Onboard 35 infant car seat comes with an adjustable car seat base. This car seat has a 5-point harness system to keep your baby buckled in safely. It meets Federal Motor Vehicle Safety Standards for safety. This rear-facing car seat also offers side impact protection. It has a removable cushioned infant neck ring that supports your baby"s head and neck. This baby car seat has a rotating canopy that shades your tot from light and heat. The comfort grip handles allow easy carrying. It can be used in rear-facing positions for children weighing between 4 and 35 lbs. The removable seat pad can be hand washed for easy maintenance.