For children 4-120 lbs.. 6 layers of safety. Crash tested from every angle. 4 in 1 car seat. East to go safely. Dimensions: 22L x 21W x 28H in.. The Safety 1st UltraMax Air 360 4-in-1 Car Seat - Raven HX has been crash-tested from every angle to assure your child rides along in total safety. This adjustable car seat includes six layers of protection and can be converted from a rear-facing baby position to a forward-facing style for older children. A versatile color on the removable pad is enhanced with machine-washable and dryer-safe properties for easy cleaning and maintenance.