• XL Length 26-inch for dog's neck max 22-inch, link diameter 4mm.Weight about 227g. 
•  Large 24" for neck size max 20" 3.5mm diameter 
•  Medium Max neck size 18" 3mm 
• Small size Max neck size 16" 2.5mm
• Please measure the length of your dog's neck before ordering. you can buy bigger one size.If your dog has a large head, it is recommended to buy bigger size.
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• ❤【Durable and Rust-free】The choke dog chain collar made of alloy steel and chrome plating, won't become rust and tarnish over time. Simultaneously it's sturdy enough to hold your do, yet light enough for his to pick up your cues for his behavior.
• ❤【Functional Chain dog choker Collar】The metal chain dog collar can exert control over the dog in a short period of time with less force, correct the dog’s wrong habits. Use it responsibly to let your dog become a member of your family faster.
• ❤【Trainer Recommended】Established boundaries and trust with your partner. Training your dog with chain choke collar whether professionally or just a few simple commands like "sit", "lay down", "jump", "stay", "wait", and "NO".
• ❤【Exquisite Gift】Choke Dog Chain Collars match good with any type of pet. For example, Cool dogs,Bulldog,American Bully, Pit Bull, Doberman, French Bulldog.Dog Choke Chain is suitable as a perfect gift for anniversaries, birthdays and other holiday