18k Gold Filled Flower Plaque charm Necklace. Featuring a 1.2 mm Rolo Chain in 16 inches with a 2 inches extender. * Metal: 18k Gold Filled * Measures 16 inches with a 2 inches extender for a total adjustable length to 18 inches. * Weight: 3.7 grams * Hypoallergenic jewelry - Nickel Free * Water resistant