These are oversized stud earrings that have a large ball in the front and a small ball at the back. 

• Color: Silver
• Measurements: 
• Large Ball Diameter: 13.0 mm 
• Small Ball Diameter: 6.0 mm
• Full Length: 25.0 mm

STERLING SILVER

An alloy made of 92.5% pure Silver and 7.5% Copper. The added copper makes the silver more durable.