Glow in Dark marking tapes Flexible Laminated Tape That Absorb And Store Energy From Ambient Light. In The Event Of A Power Failure Or Power Outage These Tapes Are Immediately Visible There by Providing People With A Clearly Illuminated Evacuation Route. Our Glow In The Dark Tapes & Sticker are Peel And Stick And Easily Affixed To Walls, Columns, Around Door Or Window Frames,Handrails, Along Stairways And Baseboards And Are Ideal Four Your Low-Level Emergency Egress System. They Are Constructed From A Flexible Laminated Film That Is Coated With Permanent Acrylic Pressure Sensitive Adhesive And Backed By Poly-Coated Release Liner. They Are UV Stable. Glow in the dark tapes can glow for more than 6-8 hours in the dark after absorbing visible light for only