Leather collar for medium-sized dogs. This is a sample product, so it's priced low. This is a one-of-a-kind finished product. If you want a different size or color, please order from Rakuten or Yahoo! Shopping. ● Size: Leather width: 2cm Thickness: approx. 4mm Neck circumference: 31cm **Please measure your dog's neck circumference before ordering (allowing for about one finger's width of extra space).** Holes are: ● 31 ● ● ● (1.2cm spacing) 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 handmade collar shop that specializes in custom-sized collars, including heavy-duty collars for bully breeds and collars for long-necked dogs like Italian Greyhounds, as well as half-choke collars and leashes. Our sites are Rakuten Shop, Yahoo! Shop, and our main store. *You can find Extra+Heavy by searching "collar studs" on Rakuten Shop and Yahoo! Shopping Mall.*