Sold as a pair. Complete with Sterling Silver butterfly backs. Dimensions : approx 2.5mm - very tiny! Materials: These are made of sterling silver, and coated with either precious metal Rhodium or 18ct real gold. They are anti-tarnish and hypoallergenic. but please keep them in a sealed plastic bag when not wearing. Packaging: All our jewellery comes with our branded velvet bag so your item is ready to be gifted. Production Method: Small Batch lost wax casting. ------------------------------------------------------------------- ★Free Shipping for UK orders. International orders with a flat postage fee. All our items are ready to ship within 48 hours. Orders arrive within 5 working days for UK orders and international delivery time varies but generally 1 - 3 weeks. ★ ♥ More details about our production method https://www.silverrainsilver.com/blogs/production-methods/production-method-1-lost-wax-casting ♥Instagram: silver_rain_uk