Material : Hanger (preferably wooded), permanent marker
I bought the white hangers at SSF, Bandar Sri Damansara only RM10 for 2 pairs when they having promotion in March 2011. If you couldn't find any white hangers, wooded color hanger do just fine.
Tip : Don't buy hangers at supermarket or departmental store. Its quite expensive. If you happen to know any retail display product shop, buy it there. Siapa tau kat mana Jalan Kenanga, lagi bagus. That would be a great deal.