Canini Leather Designer Dog Collar - Swerve Collar - Color: Green, Size: L Please note that this listing is for the size Large: 18.5"- 21.5" neck size. (1" collar width) Canini dog collars feature genuine leather and hand-made construction. All collars also feature our signature buckle design with a brushed silver finish and embossed Canini logo. HOW TO MEASURE YOUR DOG'S NECK SIZE: To ensure the proper fit, please measure your dog accurately by following these instructions: Measure around the neck close to the shoulder and allow room for a comfortable fit.