Kapco® Easy Bind® hinge repair tape is manufactured from extremely durable and flexible Tyvek® in a 7 mil thickness. Perfect for hard cover books, this durable repair tape comes in a 1 ¼" x 100" roll size with a convenient 3" core. Easy Bind® tape offers an exclusive 1/8" peel and place centering strip, which makes for easy placement of the tape without the hassle of measuring. It is a white opaque color and can be used to repair old book covers with tears, reinforce book hinges on the inside of the book. reattach book blocks to the covers, hide security strips, and more.