It sits below the original fixed seat so you don't need to worry about getting through doorways, as it's still the same width as a standard 1 seat pushchair.

Clip on the front for a newborn and toddler
Place on the back for 2 toddlers
Quick and easy to attach
Sun canopy
Double kit front load - 20kg/44lbs
Double kit rear load - 15kg/33lbs