Patented Mighty Line Floor Tape & Safety Floor Tape 50mm by 30m (2" by 100') yellow with a glow in the dark center line industrial floor marking tape. Mighty Line floor tapes come with a 3 year limited warranty. Mighty Line peel and stick floor tapes have beveled edges which improves durability in harsh industrial environments. Our Mighty Glow floor tape is a great solution when the power goes out. This floor tape is available in 50mm, 75mm, 100mm, and 150mm widths (2", 3", 4", and 6" widths).