Sweeter than nectar. . These 2D oxidized sterling silver lever back earrings feature darling mirrored hummingbirds measuring approximately 18mm x 22mm. Each is set with 12.7mm x 4.4mm fancy-cut genuine Baltic amber. Hanging length is 35.5mm.Genuine Baltic amber is from Poland.925 Sterling Silver How sweet: Hummingbirds consume half their weight in sugar daily! Scouting between 1,000 to 2,000 flowers every day for food.