Glow in the dark shoelaces are colourful in daylight, but glow brightly in the dark after a short exposure to natural or artificial light. They also glow brightly under UV light or Blacklight. Each lace is 99cm long & just over 5mm wide & is suitable for most shoes & trainers. Pack contains 2 bright glow in the dark laces. Available in Green & Pink. Unlike the green laces, pink will glow yellow in the dark. Recharge with natural or artificial light Light green by day 99 cm long laces Glow brightly under UV or Blacklight Light up your shoes!