Guardhouse Double Row Storage Boxes are made from durable white paperboard with a glossy exterior for a clean, professional appearance. The interior features soft velour-lined slots to help protect and organize your coin holders. Designed to hold up to 50 2 x 2 Lighthouse Quadrum, Whitman, or H.E. Harris Snaplock coin holders, these storage boxes provide a convenient solution for organizing and safeguarding your collection.