Made of durable polyester with a long-lasting insecticide incorporated inside.  In addition, research has shown that the color that Horse Armor has keeps flies more at a distance. By placing Horse Armor Knockdown on your horse, you create an Insect Shield so that the horse is no longer bothered by insects such as: horseflies, mosquitoes, flies, ticks. Made of durable polyester material in which Insect Shield is processed. Ideal in the summer against horseflies and to repel stinging mosquitoes that activate tail and mane eczema from the mane and tail. The Insect Shield incorporated in Horse Armor Knockdown is long-acting and safe for horse and rider. Due to the color of Horse Armor Knockdown and the incorporation of Insect Shield in the blanket, mask and wraps, Horse Armor Knockdown has a double function: to repel and kill all insects.  Your horse will finally get some rest in the pasture. Best protection ever Duration The Insect Shield lasts up to 70 washes. For more information click here .