Tork® Universal Bath Tissue Roll with OptiCore® features patented two-part core that offers reduction in product waste and cost, ensuring maximum use of each roll before advancing to the next. Ideal for cost-conscious high traffic washrooms. All Tork® bath tissue products are safe for septic systems. Tissue Type: Toilet; Number of Plies: 2; Number of Sheets: 865/Roll; Length: 4".