PACKAGE INCLUDED: There are 100pcs stainless steel flat round stud earring findings and 100pcs ear nuts; Size: Ear Stud: about 12x8x6mm; Ear Nuts: 6x4.5x3mm, Hole: 0.5mm. Enough quantity suit for your daily use.HIGH QUALITY MATERIAL: These stud earring sets are made of 304 stainless steel, they are no tarnished, no fade, no allergic. And resistance to corrosion in comparison to other metal alloy, poses no health risk, need low maintenance.EASY TO USE: There is a small loop on each flat pad ear stud finding which allows you to easily add beaded dangles or drops to it to make simple, yet elegant drop earrings. Great for your earring making.EARRING BACKS INCLUDED: Earring studs come with butterfly earring backs, it can match ear studs well, convenient for you earring making. When your earring backs are lost, they can also be a perfect substitute.GOOD CHOICE: Turn your favorite charms or beads into earrings easily with these flat pad posts earring findings which will give your earrings the ultimate touch of beauty, elegance and quality.