These lightning earring studs are handmade at my studio in England, the UK.
Material: solid sterling silver or 9ct gold
Size: 5 x 14mm (about 6/32" x 17/32")
All the weather forecast earring studs:
https://www.etsy.com/listing/65113332
Moring lightning earring studs:
https://www.etsy.com/listing/72339575
The postage is the same regardless of how many items you purchase.
If you want them in other materials or sizes, please contact me for details.