HOUSWEETY 20 Pairs Silver Tone Stainless Steel Earring Post W/ Stoppers 12x5mm(1/2"x1/4") Approx:12mm x 5mm;Thickness: 0.7mm Main Color:dull silver tone(not silver plated); Main Material:Stainless steel(Cadmium Free); High quality stainless steel,no fading, nondeformable,allergy free,perfect for sensitive ears; Environmental protection,beautiful appearance,light weight,convenient installation.Beware of swallowing by children. Perfect findings for a variety of jewelry making.Every findings has its unique design and style and theme, hence the jewelry made with them are unique and represent your own fashion.