You need to order very small bands. I use ¼ inch in Joey hair. This website has good price on bands.
http://justdogbows.com/LatexGroomingBands.aspx This website give some good tips on tying topknot
http://www.thedivadogbowtique.com/howto.php and tips on getting puppies use to bows and topknots.
http://www.thedivadogbowtique.com/howto.php#3