A unique trolley to make your little one's life easier! We know a lot of mums feel for their kiddos when they go Back to School with a heavy school bag on their shoulders. Well a trolley school bag is a solution? What about the stairs of the school or home? Well we at Sambox continuously works on how to bring a smile on the Mums faces, here we have a universal school bag trolley which can work not only on ground on the stairs too! The 360 degree 3 wheel technology makes the wheel work on the stairs so smoothly. What more you can ask for, this trolley can bear the load of up to 50Kgs, have a lock system that the trolley bag doesn't skid. Fits almost all kinds of bags and is made of aluminum alloy which makes it extremely lightweight and durable! Specifications - Product Dimensions(cm) : 27*19*90, Product Weight(kg) : 1.3, Packing Dimensions(cm) : 42*25.3*14.5, Packing Weight(kg) : 1.35, Material : Aluminum, plastic, Load Bearing : ~50kg.