• Size of Rolling Backpack: 13.78(L) 9.84(W) 20.47(H) inches, 35(L) 25(W) 52(H) cm; about weight of boys backpack: 0.7 kg/1.54 lb, about weight of trolley: 1.2 kg/2.65 lb; wheeled bookbag is perfect for primary school middle school, trip, camping etc. and also as kids carry on luggage take it on planes and trains
• Material: The kids rolling backpack is made of water-resistant nylon fabric, polyester lining, better protect the items in the back pack from getting wet, easy to clean, wheeled school bag with strong smooth zippers, wear-resistant wheels, retractable metal handle, foldable support panel, children will love using this roller backpack
• Multi-pocket Rolling Backpack: The boys rolling backpack has 2 large compartments, 4 front zip pockets and 2 side pockets; boys school backpack has multiple pockets and compartments so it can hold all books, binders, tablet, water bottle, and other school supplies
• Removable Backpack with Wheels for Boys: After assembling the backpack and trolley, the backpack can stay on the trolley stably without rollover, whether on flat ground or up stairs; wear-resistant rubber 6 wheels, reinforced aluminum alloy double handle, telescopic design can save space; you could use the backpack with the trolley or trolley can be separated use if desired
• Assembly Tips: First thing I would like to say is make sure you snap the bottom into place so it doesn’t fall forward. Another thing, the straps can be undone and tucked nicely behind the handle, there are slits in the fabric to tuck the bottom part of the straps in as well, it’s a really great design once you figure it out