and is not intended to represent the only embodiments in which the invention may be practiced the detailed description includes specific details for the purpose of providing a thorough understanding of the invention however it will be apparent to those skilled in the art that the invention may be practiced without these specific details in some instances well known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the invention in the figures description and in the claims the terms u201c front u201d u201c back u201d u201c side u201d u201c bottom u201d etc are used to simplify referring to a particular embodiment of a bag however one of ordinary skill will recognize that these terms are relative and that the shape of the bag and its relative dimensions remain the same when viewed from different perspectives or used in different orientations thus use of these terms is not intended to limit embodiments of the present invention to bags having only a single orientation in space fig1 a and 1b show respectively a side view and a top view of a portion of a bag in accordance with the principles of the present invention in fig1 a a cross sectional view of a bag 100 is depicted there is a back wall 102 a bottom wall 104 and a front wall 106 the top 108 may include a top wall or be open if there is a top wall present then it may be configured in such a way that it connects with either the back wall 102 or front wall 106 to form a flap such a flap would be.