Diameter of each fiber: 0.03in(0.75mm) end glow pmma plastic fiber optic cable | Length : 328ft(100M) ,The number of optical fiber:1pcs . | The fiber cable operation temperature:-58°F - 167°F ,Lifetime: > 20 years | Optical fiber safety, itself is not charged, not afraid of water, can suite many environment. | Optical fiber bright colors and beat rhythm, widely used to make curtain, screen, ceiling sky decoration. We can customize other size of fiber as you request, please feel free to contact us via email.