12 Deannassupplyshop 1 inch heart Pendant Trays with glass dome - Silver - 1 inch - Pendant Blanks Cameo Bezel Settings Photo Jewelry - Custom Jewelry Making - 1 inch Silver color -- Inner tray dimensions: (1 inch) -- Bezel depth: 2.5mm Deanna's Supply Shop 1 inch heart 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