luminous backpack
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luminous backpack optic fiber bag
Luminous optic fiber fabric backpack
size: 52X40m
color: white/grey/blue/red/customized color
light color: 7 RGB color,11 color mode
material: Chinlon + Fiber optic fabrics
Li-ion Battery: 3.7V,450mAH.
Lasting Time: 4-6 hours