Panduit CM4S-L2 Cable Marker Straps are used to fasten and identify bundles at the same time. They eliminate the need for costly and cumbersome lead marketing tags and are lightweight and easy to install. Ideal for underground identification applications, such as identifying and coding of telephone and fiber optic cable. Standard cross section, 15.25” (387mm) length, 1.50” x 2.62” (38.1 x 66.5mm) marker write-on area, made of Polyethylene, are red in color and come in packages of 50.