Catalog Cards, Medium Weight

For decades, librarians relied on catalog cards for organization of their books. Perma/Dur catalog cards are manufactured of long, strong wood fibers, chemically treated for acid resistance and a controlled pH level (acid-free). Cards are medium weight, precision cut to 7.5cm x 12.5cm. Their smooth surface is excellent for typing and printing and they have excellent erasability. Price per box of 500.