Material: PU leather + alloy, thickness of genuine bistratum leather makes the collar strong enough, stylish design to prevent dog biting, fashion design and personalized for your pet, can hold medium-large dogs. . Anti-bite function: your dog wears this collar, as well as safer when you encounter more fierce dogs in the outdoors, cool design, looks like a warrior while wearing it. Powerful and resistant. But the tips are really sharp, so please keep them away from children and other valuables. . Wide application: you can dress up your pet with this dog choker collar, refresh their look, which makes them more eye-catching Halloween, Christmas, New Year, party, visit, outing, festival, hunting, vacation, travel and formal occasion, suitable for medium and large dogs and other pets. . Humanis Design: There are 3 sizes available which can satisfy medium and large size dogs, like bulldog, boston terrier, bull terrier, boxer, corgi, bully, great dane, golden retriever, labrador and so on. Additional bonus: 2 bin bags, 1 leather punch. A wonderful optimal gift for your pet. . Note: Please take a good neck measurement before ordering. Do it as shown in the picture. If you are unsure, you can contact us and we will give you a prompt and professional response. .