12 Deannassupplyshop 38mm circle Pendant Trays with glass dome - Black- 38mm - Pendant Blanks Cameo Bezel Settings Photo Jewelry - Custom Jewelry Making Black color -- Inner tray dimensions: (38mm) -- Bezel depth: 2.5mm Deanna's Supply Shop 38mm circle glass included Trays are made from strong metal alloy -- Will not flex or bend. Lead, nickel, and cadmium-free. Exclusive Deanna's Supply Shop brand Loop: 4X6mm