It is a photo degradable machine made erosion control mat made from long term double net and 100% coconut fibre blanket having functional longevity of upto 36 months. The blanket has a consistent thickness with the coconut fibre evenly distributed over the entire area of the mat. The coir blanket is covered on the top and bottom sides with a thin but strong photodegradable polypropylene netting of suitable mesh opening having ultraviolet additives to delay degradation. The mat is sewn together at 5cm centres with degradable polypropylene thread.