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: 5MM STRETCHY SIZING: 6" | 6.5" | 7" Our Classic Collection is perfect for effortless everyday wear—beautiful on its own or layered with our Sophie Collection for added depth and dimension. Mix, match, and make it yours.