Newest Guardhouse addition to the slab storage boxes! Manufactured with a high quality white paper exterior, the Guardhouse heavy duty single row slab box features re-enforced tape filaments, which give the box extra strength and durability. Guardhouse heavy duty slab boxes are designed to fully enclose the coin slabs when placed inside. This makes the Guardhouse heavy duty slab boxes ideal for storing, shipping and transporting PCGS and NGC certified coins or Premiere coin slabs. Boxes are made in the USA.