FASTEST EFFECT AND STRONG FLEA AND TICK CONTROL: GreenFort NEO Spot-On flea and tick prevention for dogs and cats immediately kills parasites such as fleas, ticks, withers, mosquitoes, flies and horseflies. ABSOLUTELY SAFE AND EFFECTIVE PROTECTION (made of natural ingredients): This dog and cat flea treatment made with natural essential oils and does not cause harm your pet. 100% NATURAL AND ORGANIC: GreenFort NEO Bio Spot-On is ideal and safe for pregnant pets, kittens and puppies over 7 weeks old, pets with allergies and sick pets. The flea control you can trust. LONG TERM PROTECTION - 3 MONTHS SUPPLY: Protect your pet with the super effective Flea Treatment up to 3 months without chemistry - only natural components. FOR ANY WEIGHT: for cats, rodents and dogs under 10 kg, for dogs 10-25 kg, for dogs over 25 kg.