Give your cat long-lasting protection against fleas and ticks with a Seresto Cat Vet-Recommended Flea and Tick Treatment and Prevention Collar for Cats. Unlike other flea and tick protection, Seresto Cat flea and tick collars kill and repel fleas for 8 continuous months. Seresto Cat flea and tick collars are recommended by veterinarians, stocked by 8,000 vet clinics* and trusted by pet owners for nearly a decade. Seresto Cat gets right to work killing existing fleas on cats within 24 hours. Reinfesting fleas are killed within two hours - before they lay eggs - delivering protection against further flea infestation for eight months. Seresto Cat collars make your cat's comfort a priority by killing on contact, so pests don't have to bite your cat to die. Seresto Cat collars also kill re-infesting ticks in as quickly as six hours, and they prevent tick infestations within 48 hours of the initial application. Fleas and ticks not only cause discomfort; they can also pose other risks. Consistent use of a Seresto Cat flea and tick prevention collar is important to protect your cat against fleas and ticks that may cause bartonellosis, transmission of tapeworms in cats or Lyme disease. This formula also kills fleas which may cause Flea Allergy Dermatitis and feline infectious anemia. Seresto Cat flea protection collars are effective and lightweight for both indoor and outdoor cats and kittens at least 10 weeks old, and there's no prescription needed. They're odorless, non-greasy and water resistant to shampoo treatment, bathing,** swimming or exposure to rain or sunlight. Seresto Cat is a trademark of Elanco or its affiliates. *Elanco Animal Health, data on file **Seresto Cat is water resistant and remains effective following a shampoo treatment, swimming or after exposure to rain or sunlight. Under normal conditions, effectiveness lasts for 8 months. In order to maintain an eight-month duration, cats must not be bathed more than once per month.