Double- Ply Nylon and Stainless Steel Dog Collars Pitbull Bully Pet Supplies #Color : Black with Blue.# Standard Large Dog wide 2" * length.28", 6 adjustment holes comes in 17.38",18.25 ", 19", 20", 20.75", 21.5" or will fit 17"-21" neck The buckle and Ring is stainless steel well and double- Ply Nylon collar strap with thick stitching 0.31". For the every high energy and strong breeds. Color : Black with Blue .# Standard Large Dog Hand made in Thailand.If you are unsure of the size. You can contact us by inform the dog's neck, which is an extra large or smaller than, we suggest you make to order for fit neck your