Our 617 outline studded d- ring collar is made of 7/8 oz leather. The collar is 2-1/8" wide. It comes standard with 4 d-rings for attaching any of our wide selection of leashes. It is very adjustable and will fit just about anyone, male or female comfortably. And as with all of our leather collars, this d ring collar comes with our Dungeonware® lifetime guarantee and will be shipped to you very discreetly.