End glow fiber optic is one kind of plastic fiber with black ... fiber can be processed into : single string end glow fiber, multi string end glow fiber,multi-string side light fiber, side spot ... light fiber. Polymer fiber is also made of :end glow and side glow, usually used for outline lighting.Except as one of ... or www.colorbeam.com PEOF-0.75 Black Sleeve End Glow Fiber Optic