Our 14k gold filled pieces are waterproof, and our entire collection is hypoallergenic and nickel free—designed to keep up with you. MATERIAL: 14K GOLD FILLED OR STERLING SILVER 925 BEAD SIZE: CLASSIC 3MM + FRESH WATER PEARL STRETCHY SIZING: 7" Carolina is golden classic with a dainty pearl twist—sweet, simple, and effortlessly elegant.