Light Reminder: The adhesive tape with green fluorescent film glows in the dark. This makes it easier for you to notice the edge of the step to avoid slipping and falling at night. Permanent and Residue-Free Adhesive: High-quality glue that resists cracking or peeling. Plus, if you choose to replace or reposition the tape, there will be no residue and no damage to your floor. Suitable for: Ideal for highlighting the edges of stairs and dangerous steps. Such as loading ramp edges, basement stairs, cinema steps, bunk beds, stairs, ladders, garage and all other potentially dangerous areas. Size: 50mm wide x 10m long, luminous. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.