5oz Double Layer: ;Blocks 100% sunlight so that weeds die naturally within 2-3 weeks. High Tensile Strength: ;Withstands 350N pressure so that gravel stays leveled for 5+ years. Air-Water Permeable: ;Allows soil to breathe so that roots grow 30% faster without rot. 5ft×300ft Roll: ;Covers 1500sqft projects so that installs finish 50% faster.Multi-Scene Use: ;Protects gardens/driveways so that pros save costs on single-job fabrics.