They're stackable, simple to assemble and made from sturdy double-walled corrugated material with two-layer handles and bottom. Each comic book storage box holds approximately 150-175 bagged and boarded comics. Includes lid. Exterior dimensions: 8 3/4"W x 11 1/2"H x 15 3/8"D Interior dimensions: 7 1/2"W x 11"H x 14"D. Image not final. Subject to change.