Additional Details ------------------------------ Product description: One brand new pair of Studex universal style hypoallergenic, silver colored surgical stainless steel ear piercing studs with backs. Stunning gems with lots of color and sparkle! Earrings are also easily removed from the cartridge for wear in already-pierced ears. Perfect for every-day use! They come to you packaged in a sealed, sterilized blister package fresh from the Studex factory. Works with any universal style ear piercing gun for piercing - gun not included. Thicker 16ga posts with locking backs. Made in the USA. Studex offers the safest ear piercing available today. Every piercing stud, hoop and instrument meets or exceeds all US FDA and EC European standards and regulations. All Studex studs and hoops are hypoallergenic, nickel-safe, lead-, cadmium- and cobalt-free. They meet or exceed European Union standards and FDA regulations (U.S. Food Drug Administration). Color may vary slightly due to the color calibration of each individual monitor. The photo does not show actual size, please refer to description for size details.