16 SLOT EARRING / JEWELRY BLACK STACKABLE TRAY Standard Stackable Jewelry Trays - These plastic trays are great for storing and carrying jewelry items.  THEY ALSO STACK! Small feet molded into the tray fit inside the top of another tray. This keeps them from sliding when stacked on top on one another. The trays measure 8-1/8" x 7-1/4" outside. Black insert the compartments measure appr. 1.5 inch square.