4 mega = 16 regular rolls (Based on number of sheets in Angel Soft Regular Roll). Septic safe. An ideal balance of softness & strength. 1 Mega roll equals 4 regular rolls (based on number of sheets in Angel Soft Regular Roll) for longer lasting rolls and less roll changes. Flushable and septic safe for standard sewer and septic systems. 2-ply with SoftShield layers. Signup for savings and more at angelsoft.com/savings.