A. [Free Panting Muzzle for Flat-faced Dogs]-This Barkless muzzle has a three-hole design for a wider view and smooth breathing of the dog. The tongue can dissipate heat but will not expose the mouth to prevent accidental ingestion. Your dog can breathe, drink, and even feeding while the muzzle can effectively inhibits biting chewing and licking. Can be used for vet visits and grooming. B. Made of soft and natural non-toxic silicone, the pet muzzle is wear-resistant and comfortable, which will not bruise the dogs skin. C. This muzzle is suitable for short snout dogs,such as French Bulldogs,English Bulldogs,American Bulldogs,Pugs,Shih Tzu,Boston Terriers, Pekingese,Bully,Tibetan Spaniels etc flat faced dogs terriers. D. Dont worry about food residues and soil and other difficult-to-clean filths. Compared with the short-snout dog muzzle made of nylon fabric, you only need to rinse with water to keep it clean. E. Please measure twice your dog before buying. Refer to the size guide in Figure 3 and our instructions.