The pack includes 385 per roll and offers five times as much paper as a regular Charmin roll. Walmart also offers a 12-pack of the "Ultra Soft Mega Roll" for $12.97, which has 284 sheets per roll.

It’s no secret that some toilet-paper manufacturers have been sneaking bigger cardboard tubes into their rolls. Now, Crandle says, it appears that the size of individual sheets is shrinking.