Duck Napkin Rings Beautiful artisan sterling silver (NOT silver plated) duck napkin rings. The napkin ring is beautifully designed as a stylized duck while the ring itself is shaped as the duck´s body. This item was made in the electroforming method. Measurements: Height: 5.2cm. / 2.047in. Length: 5.5cm. / 2.165in. Weight: 125gr. / 4oz. Marks: 925 for sterling silver.