the animal marking stick is made of special waxes and paraffin oil, which is used for instant animal marking for almost all livestock animals. it is better to apply animal marking on the upper back of the animals for good visibility,  the animal marking stick painted on the pigs will last for 1 to 2 week, the animal marking stick painted on the cattle or sheep will last for 2 to 4 weeks,  the animal marking stick painted on some animals are difficult to wash out, specially painted on the sheep. so better to paint the animal marking on the head or legs of sheep, because it is more easy to wash out on this place.