Britax b agile is a sturdy double pushchair that will fit through standard doorways the b agile double features lockable swivel wheels44 built in suspension and a comfortably padded height adjustable handle that makes it both comfortable and easy to push it is also easy to fold44 with a one pull action44 automatic lock and freestanding position making it easy to store and transportb agile double stroller is suitable for twins and children of different ages as the independent seat uni