Hey Luni lovers, The Triangle Duo Ring Set is a perfect minimal ring in your collection, it also works great as a layering piece with other rings. The Triangle Duo Ring Set are made of Brass, the triangles measure 1" in length and sit just above the knuckle. It is designed to be worn as a set but can also be worn alone. The US sizes range from 5 to 15.5 Please specify your size above. Every Luni is made to order so please allow 1 to 2 weeks for shipment. Please be advised that this ring is made of Brass . If you are allergic to Brass this can cause a bad reaction.