Mix up some style with these scientific beaker earrings—perfect for adding a clever, geek-chic touch. All our earrings are brilliantly colored with UV printing on transparent acrylic. Topped with 3 layers of a clear glossy protective finish; our earrings are safe for shower and sweat *We don't recommend wearing in chlorine pools. * Earrings utilize nickel free stud posts and are hypoallergenic for sensitive ears. * Average design size is approximately a dime. * Silicone backs are included in all orders. * Handmade in rural North Texas.