PC42 turf reinforcement matting from Erosion Control Blanket is manufactured from a composition of 67% polypropylene fiber and 33% coconut fiber stitched between a black UV stabilized polypropylene top net with a mesh size of 1.34 x 1.27 cm (0.53 x 0.5 in) and a black UV stabilized polypropylene bottom net with a mesh size of 1.59 x 1.59 cm (0.626 x 0.626 in). The "PC" and "4" represent the polypropylene and coconut fiber applied at a minimum of 400 g/m2 (0.75 lbs/yd2) and the "2" represents that the mat is netted on the top and bottom sides. The PC42 is a permanent turf reinforcement mat. The mat is sewn together on 38.1 mm (1.5 in) centers, with UV stabilized polypropylene black thread. Each roll of PC42 is packaged in red shrink-wrap with yellow directional tape and includes installation instructions. The PC42 comes in convenient 67.2 m² (75 yd²)rolls.