This box is made from a heavy-duty 8 mil. chipboard material with a black textured wrap. It will hold up to 24 proof sets or 15 special proof sets that measure under the specified inside dimensions....

This box is made from a heavy-duty 8 mil. chipboard material with a black textured wrap. It will hold up to 24 proof sets or 15 special proof sets that measure under the specified inside dimensions. Inside box dimensions: 10 9/16'' L x 5 5/8'' W x 3 5/8'' H

This box is made from a heavy-duty 8 mil. chipboard material with a black textured wrap. It will hold up to 30 mint sets, 25 modern mint sets, and most other modern mommemorative sets within the...

This box is made from a heavy-duty 8 mil. chipboard material with a black textured wrap. It will hold up to 30 mint sets, 25 modern mint sets, and most other modern mommemorative sets within the specified inside dimensions. Inside dimension measure: 10'' L x 6 3/4'' W x 3 9/16'' H