... *orange,yellow,black,green,brown Gravel Bags Provide Quick and Easy Sediment and Erosion ControlGravel bags are a basic BMP (Best Management ... .The sizes are industry standard and allow the user to fill them up with as much or as little gravel (not ... , Indvidual, orange, 14” x 26”(250) bags / baleGravel Bag, Indvidual, yellow, 19” x 28”(250) bags / baleGravel Bag, Indvidual, green, 11” x ...