1.Material : This dog collar is made of alloy steel and chrome plating,won't become rust and tarnish over time 2.Comfortable and Rugged : The strength of this dog collar is high enough, and chrome plating will never irritate the skin, and the smooth chain will keep your dog comfortable 3.Unique Design : The alloy correction collar can exert control over the dog in a short period of time with less force, correct the dog's wrong habits and let your dog become a member of your family faster.When your dog loves wearing this dog collar it will make your dog look cool and more different 4.Size : 'S' Length:18'(suitable for dog's neck 14'), 'M' Length:20'(suitable for dog's neck 16'), 'L' Length: 22' (suitable for dog's neck 18'), 'Land' Length: 24' (suitable for dog's neck 20'), 'XL' Length:26' (suitable for dog's neck 22'). Please measure the length of your dog's neck before Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia