Construction Multi-Level Pattern Loop Yarn 72% Solution Dyed Nylon / 28% Yarn Dyed Nylon Dye Method Solution Dyed Nylon / Yarn Dyed Primary Backing 100% Synthetic Secondary Backing EnviroFlex® Performance Engineered Backing with 40% Recycled Content. Yarn Ply 2 Ply Tufted Yarn Weight 18 ozs. per sq. yd. (610 g/m2) Finished Pile Thickness .087 inch approx. (2.21 mm) Stitches Per Inch 9 (3.54 rows/cm) Machine Gauge 1/10" (3.94 stitches/cm) Density 7,448 Tile Size 24" x 24" (60.96 cm x 60.96 cm) Roll Width 6 ft. (1.83 m) Traffic Class Extra Heavy Commercial Class III CRI Indoor Air Quality Carpet Testing Program Passes - Certification No. 9712 Flammability ASTM E648 - Class I NFPA 258 - 450 or Less Seam Sealer SA02V Vinyl Carpet Seam Sealer Adhesive BR200 EnviroFlex® Carpet Tile Adhesive Pattern Repeat Random Recycling Program Qualifies for Recycling