Knuckle rings are made of alloy, crystal, rhinestone and opal. They are solid enough that daily collisions will not be bent and will not fall crystal, rhinestone and opal.Hollow mid rings have a long-lasting color and long time to wear. They will not easy to fade and tarnish. No worrying about your fingers will be turned green.Multiple finger rings' design are unique and stylish. They can be free to match your preference and suit for women and teen girls.Simple dainty ring set with waterdrop is gorgeous and delicate. It is perfect for almost festivals and occasions and the best choice for gift.