FindingKing 36 White Foam Gem Jars Travel Case Display Tray Insert This is a new gemstone foam insert that contains 36 removable clear plastic round jars These will hold all of your loose stones, beads and coins Each gem jar comes with a white insert pad inside and lid The inside diameter of the gem jars are approximately 1 5/16" (33 mm) The insert measures approximately 14 1/4" x 7 3/4" x 3/4" (36 x 197 x 19 mm)