The Flex Tape Gray is also incredibly easy to use. Its self-adhesive backing allows for quick and easy application, without the need for any additional adhesives or tools Its self-adhesive backing allows for quick and easy application, without the need for any additional adhesives or tools Its self-adhesive backing allows for quick and easy application, without the need for any additional adhesives or tools Its self-adhesive backing allows for quick and easy application, without the need for any additional adhesives or toolsflex tape gray. Simply clean the surface where you want to apply the tape, peel off the backing, and press it firmly into place. The tape will adhere securely to most surfaces, providing a strong and durable bond.