These clear gem jars are set in a die-cut foam insert to display your loose gemstones according to your needs. The color of the foam matches the color of the inserts in the jars. Many size and color options available. Large jars measure 1 3/4" D, Medium jars measure 1 3/8" D, Small jars measure 1 1/8" D. All of the gem jars measure 1/2" H. Jars and insert only. Tray is not included.