Anti-bite Dog Mouth Sets

Features: Adjustable size, do not?worry too tight or too loose. Material: PU leather Unique design, ventilation holes can make dogs do not feel hot? Mouth a week of regulation, three-row button adjustment, to solve the dog's mouth inappropriate, easy to swap shortcomings Very durable, cute,and lovely More attractive and unique Perfect fits for your dear pets Product Size: Front mouth circumference: XS:10-13cm,S:14-18cm,M:19-22cm, L:23-26cm,XL:28-33cm,XXL:30-35cm Back mouth circumference: XS:13-17cm,S:18-22cm,M:23-27cm, L:29-33cm,XL:32-49cm,XXL:30-44cm Head circumference: XS:10-32cm,S:10-38cm,M:20-43cm, L:20-45cm,XL:30-50cm,XXL:30-55cm Suitable for pets'weight: XS:3-10lb,S:8-25lb,M:20-50lb, L:45-75lb,XL:75-110lb,XXL:110-140lb ?