Specifications: Item Type: Shoelaces Pattern Type: Solid Feature: Luminous Material: Cotton Length: 60cm, 80cm, 100cm, 120cm, 140cm Color: White, Blue, Green, Light Yellow, Pink Usage: Sports shoes, basketball shoes, casual shoes, outdoor shoes, canvas shoes, etc. Notes: 1. Green light and white light is more brighter than other colors. 2. It is luminous rather than electronic. 3. Will shine at night with a strong light illuminating for 5-10 minutes. 4. Normally will shine for 30 minutes - 4 hours according to the light absorption condition. 5. It is not glowing in the day where the light is good. 6. Can be cleaned. Cleaning does not affect the luminous effect! 7. As a special luminous material is added to the luminous shoelace, It will feel a little harder than ordinary shoelaces. Package Includes: 1 Pair of Luminous shoelaces