Bob Martin Clear Spot On Wormer is an easy to use solution treatment for Cats and Kittens. Spot On treatment is a great option for owners who find it difficult to give their feline's tablets. Simply apply the solution to the back of your cat's neck for fast, effective treatment. This pack contains 4 tubes Cat Weight & Dosage 1kg - 2.5kg - 1 tube 2.5kg - 5kg - 2 tubes Do Not Use on Cats/Kittens less than 1 kg Too make sure your cat stays healthy, vets recommend worming every 3 months. IMPORTANT: Use correctly to safeguard the health of you and your pet. Read the Product Information on pack or enclosed leaflet carefully before use.