A clever shopn drive travel system that will amaze you by its innovative and sophisticated folding technique the lift up 4 can be folded in seconds with just one hand while you are holding your child by the other hand or on your arm very clever pull the release loop on the seat and the stroller will fold small you can also transport the stroller by the release loop which is also the carrying handle at the same time simply perfect for bus and train rides climbing stairs or for transport