Use for developing personal identification systems; Surface accepts pen, pencil or rubber stamp; Clear vinyl overlay wraps around cable and marker to protect against abrasion, moisture, dirt and oil; Convenient pocket size; Convenient pocket-size booklets; Plastic-impregnated cloth construction for long-lasting durability; Perforated 1-1/2 inch markers can be separated into half-length sizes; Self-sticking on wire and cable; Non-smear black legend ensures high visibility; Ten pages per booklet, 45 markers per page