Our 14k gold filled pieces are waterproof, and our entire collection ish ypoallergenic and nickel free—designed to keep up with you. MATERIAL: 14K GOLD FILLED OR STERLING SILVER 925 BEAD SIZE: CLASSIC 2MM + 3MM + PEARLS STRETCHY SIZING: 7" Berkley is timeless—this golden beauty adds just the right touch of vintage charm to your stack.