Fly-repellent collar that creates an actual "fly-free" zones several inches from the cow's face and neck. Protects cows from biting and disease-transmitting flies, gnats and mosquitoes. All-natural, inner cork contains 65% Citronella, 20% Cedar Oil & 12% Penny Royal to repel pesky flies for up to 2 months.

• One size fits all.
• Long Lasting
• Hassle-Free
• Comfortable
• All Natural

Endorsed by the creator of Defy the Fly!