Black Mulch: Made with All-Natural, Shredded Forest Products and Long-Lasting Black Colorant. Bulks Black Mulch has been double ground and screened to ensure the quality of our product. Attractive ground cover for all your landscaping needs including landscape islands, around trees and garden beds. This is more attractive and better substitute for pine straw. This product Helps retain ground moisture, moderates soil temperature, reduces weed development, vibrant, long-lasting color, prevents soil erosion, and is easy to spread. Bulk Mulch will cover ~100 square feet per cubic yard at a 2″ depth. Sold by the cubic yard.