Description There are two different kinds: concave mirrors and convex mirrors. The mirror of concave is "in" that looks a bowl. used to magnify the positive. The mirror of convex is "out" that looks a surface of the ball. used to deflect the bad energy. It reflects all back to where it comes from. Features- Color: As shown.- The Material: MDF, Titanize.- Size: About 11. 5x11. 5x1. 3cm.- Protect your family and your home from negative qi and transform it into a positive and harmonious- According to Feng Shui, convex bagua mirror repels negative energy and attracts positivity. Protects homes from harmful.- The trigram for Heaven called Chien ( three lines ) goes at the top and the trigram for Earth called Kun ( three broken lines ) goes at the bottom.- Buildings placed near graveyards, bridges, railroads, or overpasses, ot those at a T- intersection or with a large tree bocking the entrance are said to be at a disadvantage from "poison arrows" of sha that damage those inside the dwelling or place of business.- To protect against and counteract bad luck caused arrows of sha, Feng Shui practitioners invoke the eight trigrams or Bagua of the Early Heaven, an ancient Chinese arrangement of eight binary symbols comprised of or straight ( yang ) lines and broken ( yin ) lines that represents the of Heaven and Earth and the blessings that acrue from allignment with natural virtue. Package Including 2 x Bagua Mirror