PRODUCT DETAILS Waterproof 💧💧💧MATERIAL 18K Gold over Stainless Steel. CLOSURE Lobster clasp. Hypoallergenic. DESIGNER NOTE: This beautiful, squared chain gold necklace is made of delicate chain links crafted from high quality materials, giving it a subtle yet elegant shine. The squared design of the chain adds a unique touch to the necklace, and its adjustable length makes it suitable for many different necklines.