Both front and back have 8PCS lights, total 16PCS.;With velcro, aist circumference can be adjustable.;3 modes: lighting, slow flashing and rapid flashing.;Need 2 PCS batteries.;High visibility, good for jobsite construction workers, riding, climbing, outdoor activities, or in

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Ueasy High Visibility 16 LED Light Up Safety Vest Reflective Vest With Reflective StripesUeasy