New 36 Gem Jar Gemstone Tray Insert For Jewelry Showcases & Countertops This is a new gem jar tray insert that contains removable clear plastic round jars These will hold all of your loose stones, beads and coins This tray is also stackable Each gem jar comes with a insert pad inside and lid This case has 36 gem jars The inside diameter of each gem jar measures approximately 1 1/2" (38 mm) The case measures approximately 14 3/4" x 8 1/4" x 1" (37 cm x 209 x 25 mm) It is recommended that this be used with a display tray