Microporous Laminated Polyethylene (PE) Breathable with Polypropylene (PP) Spunbond (SMMS). - Comfortable - Light - Water Repellent - Anti Static - Breathable - Dust - Non Linting - Microporous Non Woven - Seam Seal - Coated (water resistant) Non woven substrate provides comfort feeling to human skin. Breathable film diffuses heat and moisture vapor with liquid / blood proof property.