New style seat bike bag USB rechargeable flashing bike bag safety  bike light with bag 

 Spec: 

• Stylish appearance with texture style sides, durable and functional
• The pocket Size: Approx: 17X11X12.5CM
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• 10 PCS High Brightness LEDs  Always lighting /Quick Flashing/Slow Flashing
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• Rechargeable Li Battery , can be powered by Micro-USB cable
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• With pocket to carry your essentials on the go. Straight body with nylon interlining for excellent protection
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• Easy installation; fits on almost bikes with rear seat