SIZE:Stud earrings feature 6mm created blue sapphire/Ruby/blue topaz/amethyst center stones SAFE & COMFORTABLE:High polished Sterling Silver four prong setting and butterfly backs,Durable and good finished hypoallergenic gives better user experience to women GIFT BOX INCLUDED: The earrings will come in a cute gift box 60 DAY MONEY BACK GUARANTEE: Money back guarantee or Exchange for Free