The answer for safely storing and preserving all of your sterling silver jewelry beads and components. A special additive exclusive to artbin has been molded directly into the dividers. The tarnish inhibiting additive in the dividers forms a protective layer around silver surfaces that prevents tarnishing for five years. Includes 8-compartments with 21 grey removable dividers. 5-compartments measure 2 by 13-1/2 by 1-1/2-inch, 2-compartments measure 3-1/2 by 4 by 1-1/2-inch, 1-compartment (divider storage-compartment) measures 3-1/2 by 5-1/2 by 1-1/2-inch. Over all dimensions-15-1/4 by 14 by 2-inch. Made in usa.