Material: 316L surgical stainless steel.Hypoallergenic. Classic high polished surface. Ideal for sensitive earsSet of 5 Pairs round stud earrings include gold , silver , black , red and rainbow.Multiple colors offer a change of pace from day to day.Go well with any style for any occasion(We have different sizes for customers to choose, please buy the right size)These ear plugs are very easy to use.Just unscrew the back piece, push the thin center bar through your pierced ear and screw the back piece into placeForever stylish and classic.These ear studs will work perfectly as a special gift for a loved one or a beautiful piece that complements your personal style