Wooster NITEGLOW Flex-TRED/LLGRN# Glow-in-The-Dark Anti-Slip Tape and Cleats: 2" x 10 ft, Luminescent Lime Green Backing/carrier: 46 grit bonded to polymer substrate Adhesive: acrylic Release liner: paper Certifications: mil-d-17951e; mil-w-5044c Thickness: 46 mils (carrier, adhesive) 2.5 mils (adhesive)