Octagonal mirror to ward off evil spirits, very effective. 19 cm square, with true mirror image embedded in the glass. Traditional Asian culture attaches great importance to the spirits, there are good, caring, and ill. Praying and thanking the good, the bad guys away. All the houses have a Thai spirit house outside, often made of cement, painted white, red and gold, decorated and carefully maintained.
The mirror needs a special package, for if it should break, it would be very very bad sign. You believe or not, in any case it can not hurt.