Chinese Traditional Feng Shui Tai Chi Bagua Yin Yang Mirror We Ship from Chinadelivery takes 15-25 days Protect your family and your home from negative qi and transform it into a positive and harmonious force with this traditional ba gua - also known as pa kua - mirror. Ba gua means 8 symbols, and this traditionally decorated, hexagonal mirror with yin yang design in the middle will, according to the Feng Shui principles reflect any undesirable energy being directed towards your home or business. Ba gua mirrors are potentially very powerful so should really only be hung outside your building. Over a door or gate to bestow good fortune on those who pass under it;