This is a Mikey Original Design simply called the Crochet Easy V Bag. The repeat pattern is a straight shot up from the base of the bag to the top. You then finish off the top to straighten up the edge and turn the bag over to finalize the bottom of the bag. Link of the pattern is below!
Easy V Bag
by Michael Sellick
Easy V Bag [FREE CROCHET PATTERN] downloadable pattern is available here.