20 Deannassupplyshop Circle Pendant Trays - Silver Color - 30mm - Pendant Blanks Cameo Bezel Settings Photo Jewelry - Custom Jewelry Making Silver color -- Inner tray dimensions: 30mm Fits Deanna's Supply Shop 30mm circle glass perfectly -- also available on Amazon 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