Feature: 1. The dog muzzle design gives an all-around cover of the dogs\u0027 mouth, the dogs can keep away from biting and barking. You can get rid of the annoyance that your dog chewing your leather seat in your car. 2. The collar can be adjusted, no need to worry about too tight or too loose. 3. Metal conservation device, can bring your dog good ventilation, do better security measures. 4. PU materials will not easily bring discomfort to your dog\u0027s skin, warm in winter and cool in summer, very comfortable. 5. Any problem, please contact our store without hesitation. Honor to serve you! Specification: Have you always being bothered by your dog's improper behavior? Don't worry, the dog muzzle can help you! You can get rid of the annoyance that your dog biting, barking and chewing. Features: The dog muzzle design gives an all-around cover of the dogs' mouth, the dogs can keep away from biting and barking. You can get rid of the annoyance that your dog chewing your leather seat in your car. The collar can be adjusted, no need to worry about too tight or too loose. Metal conservation device, can bring your dog good ventilation, do better security measures. PU materials will not easily bring discomfort to your dog's skin, warm in winter and cool in summer, very comfortable. Any problem, please contact our store without hesitation. Honor to serve you! Specification: Name: Dog muzzle Material: PU, metal Color optional: Brown, black Optional size: M,L M: Front mouth circumference: 23cm; Back mouth circumference: 30cm; Mouth length: 8cm; Reference weight: 15-30kg; L: Front mouth circumference: 32cm; Back mouth circumference: 40cm; Mouth length: 13cm; Reference weight: ＜45kg; Note: * There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package Information: Package size: M: 9*6*6cm; L: 14*8*8cm Package weight: M: 205g; L: 295g Plastic Packaging Packing List: 1* Dog muzzle Package List: 1* Dog muzzle