Overweight horses can enjoy the pasture and get exercise without overeating. Perfect for horses facing a medical procedure where food must be removed, but can still stay in their home setting. Always use caution with the Grazing Muzzle and do not leave it on your horse for long periods of time without consulting your veterinarian. Horses can still drink water freely with the Grazing Muzzle. Adjustable and fits securely over the poll and under the chin. Black.