KRISTAR SLOPEGARD NETTED TUBE OF ASPEN EXCELSIOR - Once erosion starts, you must stop the sediment from leaving the job site. Fiber rolls are popular for this and "excelsior" fiber rolls have many benefits. They are lighter and easier to handle and have better sediment filtration. Torn straw rolls can "leak" straw, causing the very problem you are trying to avoid. SlopeGard "excelsior" fiber rolls are reinforced throughout, keeping the fibers together even if the outer netting is torn.