Sunbrella Cast Slate is a heathered dark grey colored 7.1 oz. canvas that will work beautiful in any indoor or outdoor space. Sunbrella has the durability to stand up to the outdoor elements, and preserve its beauty with everyday use. Sunbrella is made of 100% solution dyed acrylic fibers which make it water repellent, bleach cleanable and fade resistant, yet still maintain a soft hand for comfort. Try this on cushions, pillows and draperies for a classic and refined look to rooms.