This is a 2cm wide leather collar for small dogs. It has a printed calf hair design. . ●Size: Leather width: 2cm Thickness: approx. 3mm Neck size: 25cm **Please be sure to measure your dog's neck circumference before ordering (allowing for about one finger's width of space). Holes are: ● 25 ● ● ● (1.2cm intervals) (The actual size will be slightly larger considering the leather on the inside.) Please confirm. **Measure from the edge of the leather (not from the edge of the buckle hardware). +++++++About Extra+Heavy+++++++ We have many other items for sale, so please take a look. Extra+Heavy is a custom-made collar shop that specializes in size-ordered, handmade collars, mainly for bulky collars for breeds like bulldogs and long-necked dogs like Italian Greyhounds, as well as half-choke collars and leads. Our sites are Rakuten Shop, Yahoo! Shop, and our main store. *Search for "collar studs" on Rakuten Shop or Yahoo! Shopping Mall to find Extra Heavy.