Lighthouse slab style holders are the perfect what to house your unslabbed coins in slab style holders. The outer holders are made of clear, scratch resistant plastic. The precise fit inserts and the outer holders are chemically inert and free of PVC, acids or chemical softeners. The holders have a labeling field and come with blank labeling cards to display information about the coins. Once the two halves are snapped together they are tightly closed. While not easily reopened, they can be reopened if necessary by carefully using a knife or other sharp object. . Available in sizes ranging from 14mm to 41mm. Sold in packs of 5 holders.