20 CleverDelights Oval Pendant Trays - 18x25mm - Dark Black Color &ndash; 18 x 25 mm Dark black color -- 18x25mm inner diameter (About 11/16" x 1") Fits CleverDelights 18x25mm oval glass cabochons perfectly -- also available on Amazon Loop size: 4x6mm -- most CleverDelights necklace chains fit. Bail is cast with the tray, not soldered on -- very strong Trays are made from strong metal alloy -- Will not flex or bend Exclusive CleverDelights brand -- Ships from a USA warehouse