UltraTech Gravel Bag, Roll form, Orange, 19?Äù X 250 Yards, Continuous Roll 9781 Doors and Pilasters FLOOR WATER COOLED FLOOR WATER COOLED Bradley S45 896 Hose Hook Up Prpk Replacement Part Gravel bags are a basic BMP (Best Management Practice) used to meet regulatory requirements for stormwater and erosion controlThe sizes are industry standard and allow the user to fill them up with as much or as little gravel as the application requiresDifferent sizes lend themselves to different applications from drain protection to erosion control at construction sitesMade of very high quality polymer material that is woven into shape eliminates the flaws and failures of sewn edgesHigh UV rating allows multi year life in sun and elements