SEMI RELATED WEDDING ?

I want to get my dad a personalized hanki.....
few things........
anyone know where i can find these and would he just keep it in his pocket of his pants or inner pocket of the tux or can he put it in the front pocket of the tux jacket?

here is a few sites

http://www.newtraditionshankies.com/

http://www.personalizedpresents.com/Products.asp?catid=2&cat=Wedding+%2F+Anniversary+Gifts&sub=Handkerchiefs