CGC/PGX Graded Comic Storage Box - Official Authorized - Measures 15" x 8-1/2" x 13" - Case of 5 Boxes! Comic Guarantee LLC, also known as CGC, is the newest trend for comics' collectors to grade and maintain the collectible value for their most highly prized comics. Now, collectors have a new, convenient way to store and transport their treasured graded comics with the Graded Comics Storage Box! These strong and durable boxes can withstand over 200 pounds of pressure, and are tall enough to fit CGC-graded books in their plastic cases. Each box can hold 28-30 CGC-graded comics and measures 15" x 8 12" x 13". Sold in case quantity of 5 unassembled boxes. Boxes and lids ship flat within a cardboard case box.