This 6 Piece Kit Includes Black Jewelry Display Case Necklace Bracelet Showcase Tray 14 3/4″ x 8 1/4″ Kit. Black Display Case Box Necklace Bracelet Showcase Tray. This is a new black jewelry case display box with an acrylic magnetic lid. This will hold all of your loose stones, beads and coins. The box has a magnetic lid. The case measures approximately 14 3/4″ x 8 1/4″ x 1 1/2 (375 x 210 x 38 mm). 65 WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.