Our Jon Richard Gold Plate Waterproof Basic 3 Pack Earring are made to gives you the ultimate jewellery staples in one set. Featuring three pairs of sleek, gold-plated designs, these earrings are waterproof, meaning you can wear them anytime, anywhere-without losing their shine. Fastening: Post and Bullet Back. Width dimension: 14mm. Length dimension: 14mm. Material: Gold Plated Stainless Steel. 100% Acier inoxydable.