Bag size: Height 47cm, Length 32cm, Width 14cm.
Bag total weight:1760g.
Handle max length:36inch/90cm
Bag internal structure:2 main bags with a compartment inside
Bag external structure: 2 pockets for umbrella and water bottle, 3 main bags front.
Suitable for：The backpack and the wheeled trolley hand can be separated use,School bag，Trolley luggage，Travelling backpack,Shoulder bag,fits for your different occasions demand.
Manual measurement may exist 1 – 3 cm difference.
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Material:Backpack made by nylon with adjustable aluminium alloy pull rod and 6 rubber wheel.
The adjustable pull rod can fit for different height primary school students.
With useful pockets,can hold all of daily things(keys,books,pens,phones,water bottle,umbrella,pad, laptop etc).
The backpack and the wheeled trolley hand can be separated use, fits for your different occasions demand.
Trolley backpack can more effective to help reduce pressure on back and make the spine more health to grow and protect it from heavy weight.