A multibag comprising exactly two layers, the two layers being an inner layer and an outer layer, the inner layer having two sidewalls attached together along lateral edges, each sidewall having a top edge, the inner layer having a folded edge defining the bottom of the inner layer, the outer layer having two sidewalls attached together along respective lateral edges, each sidewall having a top edge, the outer layer having a folded edge defining the bottom of the outer layer, the top edges of the inner layer being attached to an inner surface of each respective sidewall of the outer layer,
- wherein the inner layer is a moisture-impervious thermoplastic material and has a nominal sidewall thickness of from about 0.3 mil to about 1.75 mils.