Flea Away® is a vitamin complex, specifically formulated for dogs and cats. Flavored with real liver, it's perfect as a treat for your dog or cat. With Flea Away your dog or cat's skin gives off a natural odor (undetectable by humans) that naturally repels fleas, ticks, and mosquitoes!. Our chewable tablets are an easy to chew 22 mm x 9 mm. Each Flea Away tablet weighs around 1.5 grams. How it works: Fleas, ticks, and mosquitoes come to a dog or cat because they smell CO2. Our safe mixture of all natural ingredients work to mask the smell of CO2 (not something humans can smell). Cautions: Federal Law prohibits the off-label use of this product in ruminants. If animal's condition worsens or does not improve, stop product administration and consult your veterinarian. Warnings: For animal use only. Keep out of the reach of children and animals. In case of accidental overdose, contact a health professional immediately. Store in a cool dry place not above 95 F. Can be refrigerated. Do not use if tamper evidence seal is missing or broken.