This well-ventilated 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, but strong and durable. Safe and non-toxic. The straps are adjustable and won't stretch. Equipped with between the ears strap and is very difficult for the dog to remove, they do not slip off accidentally very easily. Please measure snout circumference and length for fit.