Moccasin Joe Cow in Heat 3.5 Refill - To provide hunters with the highest quality natural urine scents. Made by an avid bow hunter for avid bow hunters, as well as gun hunters. All scents are bottled in pharmaceutical-grade plastic, which is better than glass. Works on both bulls and cows. 1.5oz bottle. Lay a natural cow elk in estrus scent trail3.5 oz bottle