... shoelacesFeature:1. size: 0.28*82cm2. material: super leaded light optical glass fiber3. color: red, yellow, blue, green, orange,pink ... large logo position,Pass CE,Rohs,en71 certificateDescription:LED/mode: Optical Fiber LED, 3-mode (Normal -- Slow Blinking -- ... CR2032 button Battery (included)Material: high transparent plastic material with optical fiber LED.Color: Green , Red , Yellow , Blue , ...