100 % waterproof , weather and wind proof Uv stabilized protect from u.V rays, sunlight, heat, cold , wind and environment. Light weight, flexible & easy to use to cover irregular shapes and mixed sizes. Thermo-welded joints make it 100% leak proof Long life span Inert to most chemicals, alkalies, acids and acid fumes Superior tear / tensile / puncture and impact resistance Available in attractive colors and varied thickness and sizes