Mohawk Superfine's ultra-heavyweights expand the range of uses and allows designers to apply a consistent look across the whole spectrum of identity applications, from letterhead and brochures to media kits, packaging, and presentation folders. Produced using ECF (Elemental Chlorine Free) FSC® Certified pulp from Responsible Sources, Mohawk Superfine is manufactured under a Mill Specific Environmental Management System and is made using non-polluting, wind generated electricity through the purchase of Green-e certified Renewable Energy Certificates (RECs) from windpower projects. Superfine is also Ph Neutral.