The easiest fabric to use would be cotton, but if you want something shiny, maybe cotton sateen? Satin type fabrics tend to be a bit slippery, but I've heard that sateen is a bit easier to work with.
Etsy Deviantart Blog
Currently Working On:
Sansa Stark (Direwolf Dress): Embroidery, Dress, Cloak
Astrid (HTTYD 2)