The VapoPads are scented pads infused with essential oils, suitable also during a cough & cold. They are compatible with all Vicks recommended humidifiers, inhalers and vaporisers. For use with Vicks humidifiers and vaporisers - just place a pad into the device and the pad will release up to 8 hours of soothing vapors to help easy breathing. For use with Vicks inhalers: fill the unit with warm tap water and add one pad for soothing comfort Features: Scented pads infused with essential oils to help you feel easy breathing The pads are activated by heat and release soothing vapors for extra comfort Contains Rosemary, Lavender and Eucalyptus oils Compatible with all Vicks recommended humidifiers, inhalers and vaporisers Pack includes 7 scented pads Suitable from 36 months