Vego Garden Straw Mulch is the perfect solution to reduce water loss in raised garden beds. Sustainably sourced from Florida, each 18 lb bag of Straw Mulch covers up to 160 sq ft or 5 of the 4 x 8 ft garden beds with a 2-inch layer of mulch. This sustainable mulch helps reduce evaporation, maintains optimal soil temperature, protects against direct sunlight, and promotes a thriving microorganism ecosystem. With its natural and pleasing appearance, Straw Mulch adds aesthetic value to your garden. It is easy to store and blends into the soil over time, enriching it with nutrients.