The VapoPads are scented pads infused with essential oils, suitable for use during times of cough, cold and congestion. They are compatible with recommended Vicks humidifiers, inhalers and diffusers. The 7 pads include Menthol, Eucalpytus and Cedarleaf essential oil scents. Simply place a VapoPad into a humidifier or diffuser and enjoy up to 8 hours of soothing vapours, or place in an inhaler with warm water, for easy breathing and extra comfort.