The Stratec Sediment Mat is made out of 100% biodegradable coir. It is easy to install and use and requires limited maintenance. It can also be seeded or vegetated and can be reused as an Erosion Control Blanket. The Stratec Sediment mat is suitable for use in natural and artificial channels. Each roll consists of 2 layers of burlap, with all four sides closed by natural thread stitching.