4 bottles for the price of 3 refresh and clean your mattress in seconds with mrs coopers mattress stain remover absolutely brilliant stuff and not available in the shops yet this mattress stain remover is simply sprayed on to the stain and left after a few seconds the remover will have completely absorbed the stain leaving no trace completely safe and non toxic this remover will leave your mattress fresh stain free without leftover smells and can even be used around the home on upholstery