Luminous optic fiber clothes with zipper(long sleeves) Item Color:Black, White, Red, Blue Fibric Material:Chinlon + Plastic Optical Fiber (POF) Product Size:XS - XXL Light Colors: 7 RGB color. Battery Type:Rechargeable Polymer Lithium Battery 602040 / 3.7V Battery Capacity:450 mAh Battery Quantity:1 pcs Product Usage Time (hrs) :4-8 hours