Thetford Toilet Tissue is designed to work with RV, marine, portable, or even with classic toilets. The economical 1-ply toilet paper is soft, snowy white, and highly absorbent. Specially designed to work with RV and marine waste systems, the toilet tissue flushes easily and dissolves rapidly, helping prevent messy clogs. Thetford Toilet Tissue is available in 4-packs, 350-sheets per roll. Specially-made for RV and marine sanitation systems – the “Must Use” toilet tissue from the #1 company in mobile sanitation.