Safe Way Traction 6" X 24" Black Anti Slip Stair Tread Non Skid (60-Grit) Safety Tape with Glow in the Dark Stripe 10 Treads Per Pack Package of 10 Treads with Clearly visible glow-in-the-dark stripe. Material ships flat to ensure the integrity of the product. An excellent Non-Skid Tape for steps and other areas of Hazard. Apply to smooth surfaces and avoid all grout lines. 60 Grit Abrasive Grain Provides a consistent co-efficient of friction. Glow in the Dark Stripe safely identifies steps during power failure Non-toxic / Non-radioactive / Rechargeable from any light source. Manufactured in the United States