Ecco qui 
codice:
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<Document>
<name>xxxxx.kmz</name>
<Style id="sh_ylw-pushpin0">
<IconStyle>
<scale>1.3</scale>
<Icon>
<href>http://maps.google.com/mapfiles/kml/...lw-pushpin.png</href>
</Icon>
<hotSpot x="20" y="2" xunits="pixels" yunits="pixels"/>
</IconStyle>
<LineStyle>
<color>e00000ff</color>
</LineStyle>
<PolyStyle>
<color>570000ff</color>
</PolyStyle>
</Style>
<Style id="sn_ylw-pushpin">
<IconStyle>
<scale>1.1</scale>
<Icon>
<href>http://maps.google.com/mapfiles/kml/...lw-pushpin.png</href>
</Icon>
<hotSpot x="20" y="2" xunits="pixels" yunits="pixels"/>
</IconStyle>
<LineStyle>
<color>e00000ff</color>
</LineStyle>
<PolyStyle>
<color>570000ff</color>
</PolyStyle>
</Style>
<StyleMap id="msn_ylw-pushpin1">
<Pair>
<key>normal</key>
<styleUrl>#sn_ylw-pushpin</styleUrl>
</Pair>
<Pair>
<key>highlight</key>
<styleUrl>#sh_ylw-pushpin0</styleUrl>
</Pair>
</StyleMap>
<Folder>
<name>xxxx</name>
<open>xxxx</open>
<Placemark>
<name>xxxx</name>
<description> Qui è presente il testo </description>
<styleUrl>#msn_ylw-pushpin1</styleUrl>
<Polygon>
<tessellate>1</tessellate>
<outerBoundaryIs>
<LinearRing>
<coordinates>
00,0,0 00,0,0 00,00,0 00,00,0
</coordinates>
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</Placemark>
</Folder>
</Document>
</kml>