Back to Earth Professional Landscaper Mix is a 100% organic COMPOSTED soil builder consisting primarily of composted, aged woods and composted cotton burrs. This product contains no chemicals or chemical residue, no weeds or weed seeds, no insects or insect larvae, and no dangerous pathogens. Professional Landscaper Mix is specifically formulated to add premium organic matter to poor soils, promoting an environment for healthy microbial and biological activity. Back to Earth Professional Landscaper Mix is ideal for a multitude of professional growing platforms. This product may be mixed with native soil as a growing medium, used as a top-dress or moisture barrier mulch in beds and landscapes, or used as a combination installation and maintenance product in a professional environment. For best results, read and follow directions.