Revolution Dog Small 5-10kg is an easy–to–administer, all–in–one flea and heartworm treatment for dogs and cats that simply works inside and out for a full month.You simply squeeze it onto the skin on the back of your pet’s neck every month. Prevents heartworm (Dirofilaria immitis) disease Kills adult fleas (Ctenocephalides felis) and prevents their eggs from hatching Treats and controls ear mites (Otodectes cynotis) Treats and controls sarcoptic mange (Sarcoptes scabiei) in dogs Treats and controls roundworms and hookworms in cats Just a spot once a month in front of the shoulder blades is all your pet needs for protection against fleas, heartworm and other parasites. No pills. No sticky sprays. No more hassling with multiple products. REVOLUTION is quick-drying, non greasy and waterfast, with no unpleasant odor, so you can cuddle and play with your dog as soon as Revolution dries.  Available in 3 Pack and 6 pack