4' x 4000' x 1.0 mil. Black Plastic Mulch. High quality embossed 1.0 mil plastic suppresses weeds, reduces water loss, and increases soil temperature. These black plastic mulches represent an economical and convenient method to suppress weeds and reduce water loss in the field. The soil temperature increase provided by the mulch has been shown to increase vegetable yields under both trial and production situations. Orders within the contiguous U.S. pay only the standard S&H fee. Alaska and Hawaii are subject to additional freight charges.