1" x 60 Yd Black Colored Kraft Flatback Tape is Used for book binding, color coding, identification, decorating, and core startup. This Colored Kraft Flatback Tape uses a Rubber Adhesive application. With a tensile strength of 51 lbs/in., 7.5 mil thick tape features 77 oz/in. of adhesion and an elongation of 4%. Colored Kraft Flatback Tape can also withstand temperatures ranging from 40? - 180? Fahrenheit. This is a general purpose, smooth backed, flatback tape available in 5 colors.