Displays2go Weather Resistant Clear Molded Acrylic Business Card Holder with Hinged Lid and Double-Sided Tape, Set of 12 (BCCODLID) Crystal clear acrylic allows for a clear view of the contents inside Mounts easily to most smooth surfaces using double stick tape Weather resistant design features drain holes for additional protection from water damage Sold in sets of 12 Displays2go SKU#: BCCODLID