Not all colors in main photo are available in 6mm. Many colors available in my other listings. Choose color from drop down menu. Check my other listings for more styles & sizes. I'm adding more options all the time. Unbelievably strong magnet holds earrings firmly in place. Careful- magnets can repel each other. Great for non-pierced ears or secondary/cartilage earring. Also good for children who don't have pierced ears. Allergy free stainless steel. Magnet is a small disc that fits behind ear. Measures 6mm. Faceted stones for maximum sparkle. Many choices. The discs on back side are small enough to be hidden, but they can be fragile. Ships quickly. Colors may vary slightly due to lighting.  IF BUYING MULTIPLES, PLEASE PUT ALL IN CART AND PAY AT SAME TIME TO RECEIVE DISCOUNT. THANKS!