... .g. 0.75mm fiber, 1.0mm fiber, 1.5mm fiber... Optical fiber is used for indoor & outdoor decoration, e.g. Chandelier, fiber optic sign, star ... . We have 2 series of plastic fiber: PMMA fiber and Polymer fiber(Solid-core fiber). PMMA fiber can be processed into : single string ... -2.02350ClearPMMASF-2.52.5250ClearPMMASF-3.03150ClearPMMA single fiber ,0.75mm, Chinese, Plastic Optical Fiber lighting cable