Description:Optic fiber is a kind of optical transmission material， light transmission through optical fiber can form a new light effect.Optical fiber itself is not charged and does not light， so it is safe for people to use.It is soft and ， easy to create whatever shape or design you want.Our optic fiber is super bright fiber， high brightness and light transmission distance reaches 1- (depending on light color or light source power)， great for short distance high-brightness products.Perfect for different kinds of decoration. widely used to make curtain， screen， cinema， ceiling sky decoration. Product Dimension: 150/200/300Pcs x 0.75mm diameter x 2m long.Specification:Material: PlasticDiameter of each fiber: Approx. 0.75mm/0.03 inchQuantity of fiber cables included: 150/200/300 PiecesLength of each fiber cable: Approx. 2m/78.74 inchOperation Temperature: -20~100Recommended Storage Temperature: 10-50Max Bending Approx. 3.75mm/0.15 inchTransmit Light Wavelength: Approx. 350-780nmPackage Includes:1 Roll 150/200/300pcsx0.75mmx2m Optic Fiber Cable Note:Sincethe size above is measured by hand， the size of the actual item youreceived could be slightly different from the size above.Meanwhile，please be reminded that due to lighting effects， monitor brightness，contrast settings etc， there could be some slight differences in thecolor of the pictures and the actual item.