Sultan's Linens Microfiber Shower Curtain Liner, White, Machine Washable, Easy Care, 70"x72" The Sultan's Linens Luxurious Premium Quality Microfiber Shower Curtain Liner Is a Must In Any Bathroom. The Fabric is 100% polyester and very easy to wash; machine wash warm on gentle cycle. It is the standard shower curtain size: 72" x 70". Machine Washable Easy Care Premium Quality