Sunbrella Slate 4684-0000 marine fabric is a solid slate grey, 46-inch wide outdoor and awning fabric crafted from 100% solution-dyed acrylic. Designed specifically for marine and outdoor use, it offers nearly 100% shade with high resistance to UV rays, fading, water, mildew, and mold, making it ideal for awnings, canopies, boat tops, T-tops, and sail covers. This breathable fabric is water and mildew-repellent, heat-sealable with seam seal tape, and maintains its shape with no noticeable shrinkage or stretching. With an approximate weight of 9 to 9.25 ounces per square yard and backed by a 10-year warranty, it combines durability with easy cleaning for reliable weather resistance in both commercial and residential applications.