Crafted with solid leather pieces that are uncovered around the nose, the Pioneer Muzzle is designed to allow your dog to breathe unimpaired while still preventing biting. maximum air ventilation is ensured with additional holes and slits around the muzzle along with the uncovered nose. This Pioneer Muzzle features two adjustable straps to safely secure the muzzle to your dog, and an upper padded nose area with soft felt. This muzzle is currently available in two sizes.