This high ventilation quality muzzle can be very useful in many situations and everyday use - visits to a vet, traveling, off-leash walks, preventing eating off the ground, yet allow for panting and drinking, providing the ultimate in comfort and safety for both the dog and owner or trainer. Well-fitting, light weight, soft and comfortable yet strong and durable. Safe and non-toxic. The straps are adjustable and won't stretch. Please measure snout circumference and length for fit.