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 PEARLS + 6MM SOPHIE BEAD STRETCHY SIZING: 7" Isabella is feminine and cultivated, the perfect piece to tie any took together!