The standard double row coin slab box measures 12 x 5.75 x 3 and holds 31 certified coins or coin slabs in each row. Manufactured with a high quality textured exterior, the standard slab box features reinforced tape filaments, which give the box added strength and durability. Box comes in red and is designed for easy access of the assorted coin slabs and certified coins when placed inside. The slab boxes are ideal for storing and organizing PCGS and NGC certified coins or Premiere coin slabs. Box is also good for 2 1/2" x 2 1/2" coin holders and flips.