Johnson's 4Fleas Cat Tablets are an easy oral way to treat flea infestation in your cat or kitten. o Suitable for cats between 1-1 in weight; o Starts working 15 minutes from administration, with full flea eradication occurring in 24 hours; o Suitable to use on pregnant, lactating and breeding cats; o Can be administered with your pet's favourite food. Fleas are often found within your cat's baskets, bedding, and regular resting areas, including carpets and soft furnishings; these should be treated with a household suitable flea spray and vacuumed regularly.