The Multifly Feed-Thru Fly Control Pellets for Horses are a palatable and safe solution for controlling fly populations. Made with cotton material and containing the active ingredient Novaluron, these 10 lb bags of pellets are designed for all life stages of horses. The unscented pellets are easy to feed and offer digestive health benefits, making them a convenient choice for equestrians looking to protect their horses from flies in a gentle and effective manner. The product comes in a 10 lb bag and is a basic style designed specifically for horses.