FindingKing 72 Gem Jars Gemstone Tray White Showcase Travel Display This is a new set of 3 white foam gem jar insert that contain removable clear plastic round jars These will hold all of your loose stones, beads and coins Each gem jar comes with an insert pad inside and lid Each case has 24 gem jars The inside diameter of each gem jar measures approximately 1 1/2" (38 mm)