The PetArmor Plus Flea and Tick Topical Treatment for Cats is a spot-on treatment designed specifically for cats over 1.5lbs. With an EPA registration number of 2517-135, this treatment offers protection against pesky parasites for up to 6 months. The brand PetArmor is known for its quality and effectiveness in providing flea and tick protection for pets. This product is a reliable choice for keeping your feline friends happy and healthy.