Sea to Summit Ultra-SIL Outhouse - Orange synthetic Toilet paper is suspended inside by a stiffening rod that allows paper to dispense smoothly All seams are fully taped sealed Nylon cord so it can be hung from your neck or from a tree branch water-resistant products (such as the Ultra-Sil Stuff Sacks) are siliconized on both sides for ultimate packability waterproof products (such as the UltraSil Dry Sack are) siliconized on the outside and PU-coated on the inside to allow seam taping.