Hang the bagua mirror above the front door, centering it if possible. Size: 10.5 cm Thank you for shopping in our store. If you have any questions, please send me an email at any time. I wish you a happy life. Bagua mirrors are potentially very powerful so should really only be hung outside your building. wish you a happy shopping. If you have any questions, please contact us in time and we will reply you within 24 hours. I wish you a happy shopping again! !