Contoured seat prevents child from sliding forward and improves seating posture. 95° seat to back angle. Double-strap trunk support and a positioning belt. Two sets of straps secure Seat2Go to any chair. When not in use, the seat straps can be stored under the seat behind the clear flap and the back straps in the back pocket. Can be used as an insert for a single or double stroller. Weighs only 5 lbs. CRS 2000 Product Size Small Product Width 8″ Product Depth 9″ Product Height of Back 12″ Product Weight 5 lbs. CRS 3000 Product Size Medium Product Width 12″ Product Depth 12″ Product Height of Back 14″ Product Weight 7 lbs.