SHIPMENT CONTAINS: One 6-dose pack of Amazon Basics Flea and Tick Treatment for Large Dogs (45-88 lbs) FAST-ACTING FORMULA: Starts eliminating fleas and ticks within 24 hours of treatment COMPLETE PROTECTION: Active ingredients Fipronil and (s)-methoprene prevent flea infestations by killing flea eggs, flea larvae, biting flies and chewing lice LONG-LASTING COVERAGE: One application provides up to 30 days of protection against pests, including deer ticks that may transmit Lyme disease WATERPROOF FORMULA: 24 hours after application your pet's treatment is protected against rain and water activities PACKAGING MAY VARY: Packaging may be different than what is shown but item and quality remain the same Keep out of reach of children