Keep a wind direction tool that wont give you away downwind with the Wind Detector from Dead Down Wind. This easy-to-use powder with micro ESP enzymes improves your hunt in the field or game on the course by giving you a visual cloud of wind direction. Ergonomically designed to fit into the palm of your hand, this 22 grams plastic bottle provides a controlled burst consistently. Micro ESP powder provides an odorless indicator, unlike talc and other popular powders. Made in USA. Size: 22-grams. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Baits & Lures.