Sterling silver or 14K gold-plated brass.
Satin (matte) finish.
Each earring is 57 mm long, 6 mm spanning the gap, 2.5 mm wide at the side and 1 mm thick.
Posts and butterfly backs for the gold-plated brass version are sterling silver (but plated in gold).
Made to order -- please allow 1-2 weeks before shipping. Contact email@example.com for custom sizing.