Converts your City Select 2 stroller into a double stroller with a full-sized second seat; seat holds child up to 45 lb and includes a 5-point stroller seat harness | Extended UV 50+ canopy with peekaboo window keeps baby shaded; multi-position reclining seat and rotating calf support easily adjust | Integrated seatback pockets to hold baby's extras | Includes a second seat and mounting brackets | Maximum weight capacity for second seat is 45 lb