Bob Martin Easy To Use Wormer For Cats & Kittens is an easy to use & extremely effective de-wormer for cats & kittens ages over 3 months. It is clinically proven to kill roundworm & roundworm eggs. Simply sprinkle the product on your cats food to help them stay worm free. As there is no permanent treatment for roundworm it is recommended that you de-worm your pet every 3 months. Weight is 0.09kg