DeWitt Garden Weed Barrier is Organic and OMRI Listed - excellent for your vegetable garden! This biodegradable paper mulch, made from natural paper fiber, is designed for annual gardens and plantings. Allowing air and water through, this Weed Barrier gradually decomposes but will last for the full growing season. Reduced water consumption may be in your future! No clean-up is required; simply till into the soil. Roll is 3' wide x 40' long.