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Size: 425(H) x 280(W) x 160(D)mm
Weight: 0.68kg (+/- 1%)
Capacity: 20L (1200in3)
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* The height of bag has been increased, can put into F4 size homework bag
* Structural design to prevent shoulder imbalance
* The 3 layers stable structure keeps the books inside close to the back
* Adjustable slip-resistant buckle to adapt according to the growth of children
* Widen and thicken the straps to weight pressure dispersion
* Reflective straps can be used for night walking safety
* Made of environmentally friendly materials to protect the earth
* High-density waterproof, seep & wear resistant materials of bottom
* Ergonomic spine design cotton to form a spine-protecting shape
* High breathability system to improve comfort
* Built-in elastic design to support the spine
* ASTM F2153-07-2018 tested and certified