Black 5/8" standard thermal hard cover cases are the perfect addition to your thermal binding system. By using these 5/8" black cases along with a thermal binding machine and hard cover crimper, you can make hardbound photo books, yearbooks, or coffee table books. Measuring 5/8" inch-thick, these thermal hard cover cases can hold up to 190 8.5" x 11" sheets. Our black covers are packaged 100 per box and are also available in black, navy, and maroon. Product number BITHC580WH. Standard Hardcovers take approximately 3 weeks to ship from the time that your order is placed. If you need thermal hardcovers faster than this, please contact us and we will see what we can do.