Black Onyx is known as powerful protection stone. The crystal's energy absorbs and transforms negative energy is believed to aid in maintaining one's positive personal energy. The Earth Luxe Facial & Body Roller facilitates the acceptance of these metaphysical properties when used as part of your daily wellness and beauty regimen. The gentle soothing roller and its properties are known to revitalize energy and improve circulation. Can be chilled in freezer or warmed in a heating pad. Gift Box Included..