‎0.1 x 0.1 x 0.1 cm; 170 Grams

Size :The round head diameter of the Ball Post Earring Studs for jewelry making is 4mm/0.15inch,the hole is about 0.04inch,and the diameter of butterfly earring back is 6mm
Quantity : this package includes 200 pieces of earring stud in gold and silver (100 pieces for each color), and 200 pieces of butterfly earring back in gold and silver (100 pieces for each color), sufficient quantity and classic colors to meet you daily earring making
Nice material: the ball post earring stud and butterfly ear backs are made of plated iron, which is durable and sturdy to use, no and friendly to the skin, light in weight, not easy to cause stimulation to skin easily ,the charming metallic luster can make your daily outfit more elegant, showing your tasteful choice for jewelry decoration