Coastal Pet Products Best Fit Mesh Dog Muzzle Size 6 | Nose Circumference 8-Inches | 1-Pack Black Best Fit Mesh Dog Muzzle, Size 6. Approximate nose circumference is 8-Inches Strong, Adjustable breathable mesh. Open front allows panting, breathing, and drinking. Recommended for standard breeds, such as Dalmatian and Weimaraner. The nylon mesh webbing provides ventilation for your pet. Soft padded nose band for a comfortable fit.