The rentokil mouse and rat odour sachets are highly fragranced to mask the smell left by mice rats and other pests in and around the home the easy to use sachets are long lasting and contain no poisons ideal for use under floorboards or behind walls lasts up to 6 weeks how to use follow the on pack instructions remove the outer foil and place the sachet in the desired location to remove simply pick up if possible and dispose in a bin with a secure lid where to use this product is intended for ho