Trolley Features • Special 360 Degree Universal Wheels that work on Stairs as well as normal ground to help your little kiddos get off the load of heavy school bags • One Key Push Bottom Telescoping Handle • The design concept is small and easy portable • The backpack trolley with buckles and straps; Will fit most type of backpacks • 6 Wheels Climbing Stairs School Bag Features • COMPARTMENT: Square Shaped Front pocket with Small Extra Zipper Card Pocket + U Shaped Zipper Pocket attached with Main Pocket / compartment with Laptop Pocket + 2 side pockets • ERGONOMIC DESIGN: The adjustable Wide straps and back with cushion padded for comfort, padded cushion protection for laptop or tablet and padded cushion to protect your growing kid's back when carrying the bag. • DURABLE MATERIAL: Non - collapsible design with robust material for zero wear and tear. Strong shoulder straps and cushioned grab handles. Durable Fabric with amazing anti - dirt and water resistant properties. • SAFETY LIGHT REFLECTING STIPS : This School bag comes with an unique Safety Light Reflecting Strips on the bag, which reflects light and shine in night, feature is the very important for your Kids safety if they go out in night. • Water Proof, Dirt Resistant and Machine Washable