There is no steel seal on the side of Kelpolo tile, because it is genuine. Authentic Kyle Polo tiles, there is no steel seal on the side, only the code number. The trademark identification of counterfeit products is particularly vague. The sound made by genuine knock is metallic and crisp, while the sound made by fake knock is turbid. Therefore, there is no steel seal on the side of Kelpolo tile, because it is genuine.