Countries not to sell to -
As well as not posting bodily fluids (such as pee and poop) to another countries - the below countries are illegal to sell adult goods to, please always check buyers locations. 99.9% of buyers that ask you for used panties will be from the UK anyway and I personally have only sold to buyers from the UK.
Countries not to sell to are below -
Afghanistan
Algeria
Armenia
Bahamas
Bahrain
Bangladesh
Belarus
Belize
Bhutan
Botswana
Brunei
Bulgaria
Cambodia
People's Republic of China
Cuba
Egypt
Ivory Coast
Comoros
Djibouti
Eritrea
Ethiopia
Gabon
Gambia
Ghana
Guyana
Iceland
India
Indonesia
Iran
Iraq
Jordan
Kazakhstan
Kenya
Kiribati
Kuwait
Laos
Lebanon
Libya
Lithuania
Malaysia
Maldives
Mali
Mongolia
Morocco
Myanmar
Nepal
Nigeria
Norway
Oman
Pakistan
Papua New Guinea
Philippines
Qatar
Saudi Arabia
Senegal
Sierra Leone
Singapore
Solomon Islands
Somalia
Somaliland
South Korea
South Sudan
Sri Lanka
Sudan
Syria
Tanzania
Thailand
Tunisia
Turkey
Uganda
Ukraine
United Arab Emirates
Uzbekistan
Vatican City
Vietnam
Yemen
Zambia
I hope this is helpful.
Good Luck!