Bob Martin's FleaClear Spot On for Medium Dogs provides protection from fleas for up to 8 weeks and ticks for 4. Simply 'spot on' at the back of the neck, between the shoulders to start the treatment. It even includes a handy sticker to remind you when to treat your dog next time. FleaClear Spot On for Medium Dogs can be used on dogs over 2 months old, between 10-20kg. Suitable for households with both cats and dogs. Ensure other pets are treated with appropriate products and vacuum your pet's bedding to effectively treat the problem. Always read the in-packet information before use. Suitable for breeds such as Cocker Spaniel, Springer Spaniel, and Schnauzer.