A stack of interfolded absorbent sheet products includes a plurality of absorbent sheets. Each sheet product includes a first fold, a second fold running parallel to the first fold, and a third fold which is perpendicular to the first and second folds, so that the three folds define a pattern of 3×2 panels, including two first side panels, two center panels, and two second side panels. Each sheet product has its first side panels folded onto its center panels, its second side panels folded onto its first side panels in a C-fold, and its second side panels then folded onto each other so as to obtain a folded configuration including at least six panels. Each sheet product within the stack receives between two inwardly facing adjacent panels three adjacent panels from each of two sheet products disposed respectively above and below the sheet product in the stack.