Dangle Earrings › Anatomical Heart Studs Image 1 of 1 Anatomical Heart Studs $8.00 These earrings are made with laser cut acrylic and nickel free, hypoallergenic metals. These are 14 mm at the longest point. Quantity: Add To Cart Added! These earrings are made with laser cut acrylic and nickel free, hypoallergenic metals. These are 14 mm at the longest point.