**Tyvek is made from very fine, high-density polyethylene fibers, Tyvek brand protective material offers all the best characteristics of paper, film and fabric in one material. This unique balance of properties, which cannot be found in any other material, makes Tyvek lightweight yet strong; vapor-permeable, yet water-, chemical-,  puncture-, tear- and abrasion-resistant. Tyvek is also low-linting, smooth and opaque.