Rolmark Ink: All Surfaces All Marsh inks are permanent, waterproof, light-resistant and fast-drying. Rolmark ink marks on any porous or non-porous surface. Easy to use and affordable, our rollers and ink pads come in several sizes and can be used with Rolmark and efi inks. Depend on these hard-working products for a productive stenciling experience, every time. Rollers available in 1.5” (38 mm), 3” (76 mm), and 4.5” (114 mm) Inexpensive stenciling system. Use Rolmark Ink on porous and non-porous surfaces. Can also be used with efi inks. Units sold separately.