"The standard collar size for neck circumference is 38-48 centimeters. If you want a custom collar size when placing an order, write your neck circumference in the comments.!!! Size: -width 4 centimeters - total length from the beginning of the buckle to the end of 60 centimeters - for neck circumference 38-48 centimeters (adjustable) This is a tough and solid accessory handcrafted from durable full-grain leather - the best quality animal hide that's capable of maintaining a rich character even after years of use. Italian fittings. Strong, durable, rough and ready, this is the accessory you can count on when you want to add rich texture and warmth to your overall outfit. 100% handcrafted Made with the premium and the most durable: vegetable tanned full grain leather. Purchases are sent through the Mail of Ukraine. After shipping, I will give you a tracking number. Approximate time 2-8 weeks (depending on the country)."