Sentinel Spectrum brings you another incredible product to safeguard your dog from the numerous parasitic pests launching constant assaults against the hairiest member of your family. Sentinel Spec. V Small Dogs Chews 6pk W is a tasty supply of 6 chewable treats that defend dogs under 4 kg (8 lbs.) from: Heartworm Fleas Every intestinal worm species including tapeworm Your dog will flip, fly, and slip on the tile floors trying to get at the'se delicious chewables whenever monthly treatment time comes back around. This makes treatment not only easier than regular topical medications, but a lot more fun for you and your dog.