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 + PINK PEARLS STRETCHY SIZING: 7" Blush pearls and gold beads make Melanie a sweet little shimmer for your stack.