Thermoplastic bags with complex stretch patterns

A thermoplastic bag comprising:

• a sidewall and an opposing sidewall of a thermoplastic material;
• the sidewall and the opposing sidewall each comprising a first side edge, an opposite second side edge, a bottom edge, and an opening along respective top edges;
• wherein the sidewall comprises:
• a plurality of raised rib-like elements extending in a direction perpendicular to a main surface of the sidewall;
• and
• a plurality of web areas positioned about the plurality of raised rib-like elements;
• wherein:
• the plurality of raised rib-like elements are arranged into repeating patterns comprising a first macro pattern and a second micro pattern,
• each second micro pattern is surrounded by one or more first macro patterns, and
• the plurality of web areas are sized and positioned such that, when subjected to an applied load, during an initial elongation zone from zero percent to five percent elongation, the sidewall undergoes both geometric deformation and molecular deformation.