3 month supply. For use only on dogs 40-60 lbs. 12 weeks of age or older. Kills and detaches ticks. Kills fleas in as little as 1 hour; ticks in as little as 3 hours; flea eggs; flea larvae. Repels mosquitoes. Do not use on cats. Apply once every month. Read entire label before each use. Use only on dogs and puppies over 12 weeks of age. Sergeant's Evolve 40 Flea & Tick Squeeze-On for Dogs is an effective and easy to use product. As with all flea and tick control products, Sergeant's Evolve 40 Flea & Tick Squeeze-On for Dogs should be used as part of a program aimed at reducing flea populations in the dog's environment (bedding, carpets, kennel, yard). If you have questions or comments about this product, please write: Sergeant's Consumer Response, PO Box 540399, Omaha, NE 68154-0399. In case of an emergency, call: 1-800-781-4738; Non-emergency, call: 1-800-224-Pets (7387).