This depends on the holster manufacturer, style and model of holster. Many of the regular holsters will fit the 226-225 & 220 Sig. But once again it depends on the style of holster from the manufacturer. If you Google P-225 Sig Holster. The first couple of sites listed have holsters pictured and they will each advise what they fit including your P225.
The Constitution is not an instrument for the Government to restrain the people. It is an instrument for the people to restrain the Government!
America will never be destroyed from the outside. If we falter and lose our freedoms, it will be because we destroyed ourselves.