Made From A Unique, Easy-To-Clean Mesh Material. Best Fit Muzzles Are Lightweight, Breathable And Adjustable, Providing Total Comfort For Dogs. This Is A Temporary Muzzle To Inhibit Biting, Control While Grooming, Chewing And Barking, While Still Allowing Dogs To Pant . Size #8 11.5 Inch Nose For Rottweiler, Mastiff And St. Bernard Size Dogs.