These elegant hand crafted U- Shaped drop earrings by Urbiana are made from nickel free brass. They are lightweight and will look great with any outfit Extremely lightweight hooks ensure these are extremely light on the ears. Available in both silver and gold, these Gold Drop Earrings by Urbiana are handmade with love. Packed with love in a ready to gift organza bag from our Brick Lane studio in East London. CLOSURE: Strong Hoop Fastening. MATERIAL: Brass. Silver, Hypoallergenic earrings.Nickel-free, lead-free, cadmium-free, which makes these earrings perfect for those with sensitive skin, as it won't give you any allergies. MEASUREMENT:Adjustable, one size fits all. CARING FOR YOUR URBIANA BRASS JEWELLERY: Brass naturally tarnishes over time into an antiqued look giving it a beautiful patina. However if you want to get back the shine of your piece, it is easy to clean and look after. You may use home solutions like lemon juice or toothpaste or a commercial brass metal polish like Brasso.