Industrial, rustic, solid, fold formed copper with bronze and steel details crafted by scratch, has latch back silver metal -commercially made- to secure them but can be replaced with standard or long ear wires. 
To the large side. They measure no counting ear wires
3 3/4 inches and 3 1/2 inches long approx., 90mm and 85mm, 
The earrings are being shown in a real human size mannequin.