Ensure your dog's health and comfort with the Seresto Large Dog Flea and Tick Prevention Collar, designed for dogs weighing 18 pounds and more. This collar offers long-lasting protection that lasts up to eight months, making it a reliable choice for pet owners. Recommended by veterinarians and available at over 8,000 vet clinics, the Seresto collar has been trusted for nearly a decade. It effectively kills and repels fleas and ticks on contact, providing relief within 24 hours of application. This means pests are eliminated before they can bite your dog or lay more eggs. Ideal for dogs at least seven weeks old, the Seresto collar makes flea and tick prevention easy and worry-free, giving you peace of mind while keeping your furry friend safe and comfortable.