New Gem Jar Tray Insert For Jewelry Displays, Showcases & Countertops This is a new white foam gem jar case that contains 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 This case has 24 gem jars The inside diameter of each gem jar measures approximately 1 1/2" (38 mm) The insert measures approximately 14 1/4" x 7 3/4" x 3/4" (36.2 cm x 198 mm x 18 mm) It is recommended that this be used with a display tray