hi i have brought cats frontline from a company on ebay to find out it is fake i paid £19.57 for the product. and ebay have made the seller remove the item but unfortunately he is still selling the item on his online store this is the link to his store http://www.***ts.co.uk/index.php?txtsearch=+frontline&x=0&y=0 the product i have matches your fake products :( i had used them before i realised and wondered why they were not working on my cats , very angry and upset as the seller knows .