1. SIZE4mm ball stud earrings is simple and classic, lightweight and comfortable to wear. You will get an elegant look every day in the most economical way. Both men and women will absolutely love these ball earrings 2. SKIN FRIENDLY MATERIALThe ball earrings studs are made from pure titanium, including ear posts and earring backs. Titanium is a skinfriendly jewelry material. More and more famous jewelry designers are using this material, and it has become many people's choice for daily wear 3. HYPOALLERGENICMany women are allergic to metals found in jewelry, especially Nickel. Pure titanium earrings post, Nickel, Lead, and Cadmium metal, only 0.6% of people react to earrings made out of Titanium, which makes them extremely hypoallergenic, Ideal for sensitive ears, especially for the first piercing hole 4. FOR ANY OCCASIONTitanium earrings come with a dainty package. You can give them to your mothers, lovers, friends or yourself on Christmas, Thanksgiving, Valentine's Day, birthday or other festivals, just to express the most sincere love to them