Inspired by nature, the Pebble Fragrance Diffuser is the ideal way to freshen up a small work space, dorm or bathroom. Simply add water and your favorite essential oil to enjoy soothing and comforting scents that relax the mind and body. The smooth, organic-shaped Pebble rests comfortably on your table or desk. Recommended for rooms up to 162 sq. ft. Available in black or white. Oil not included.