The Bia bag pattern By Petro | June 17, 2014 - 8:18 am |March 23, 2015 Bags The Bia bag is such a great size being not too big but still have room for all your need and it has a ton of pockets, inside and out. With over 40 color photos it should be easy to follow for everyone. The pattern can be found here. Tagged bag, bag pattern, bag tutorial. Bookmark the permalink.