9ï¾ x 33ï¾ Professional Grade Grip Tape features 80 Grit Industrial Grade Grip, designed with Aluminum Oxide which allows for improved stability and control. Slip Guard Skateboard Grip Tape is certified by the National Flooring Safety Institute for High Traction. Strong Adhesive will least year round and is weatherproof, whether in hot summers or in brittle winters, as well as being water resistant. 1.0mm thickness adds durability and allows for improved movements. Whether indoor or outdoor, on the street or in a skate park, 3 Layers of Adhesive, allowing proper fitting and less worrying.