Nedia PTRM 440 is made with uniformly distributed 100% green polypropylene fiber and two heavy weight polypropylene nets securely sewn together with UV stabilized thread. The blankets are palletized for easy transportation. Nedia PTRM 440 is a permanent turf reinforcement mat and is suitable for slopes 1:1 and high flow channels. Nedia PTRM 440 meets Type 5.A, 5.B and 5.C specification requirements established by the Erosion Control Technology Council ( ECTC) and Federal Highway Administration’s (FHWA) FP-03 Section 713.17