Description:Luminous shoelace several colors
Material: cotton and nylon
Quantity: 1PairAbsorb light and glow in the darkness.
Products need to absorb light.
The shoelace is a fluorescent night-light shoelace without electrons. It will light up after five to ten minutes with a strong light at night. The light-emitting time varies from 30 minutes to 4 hours depending on the light absorption.