20D rip-stop nylon fabric, lightweight, tear-resistant and windproof. Super soft polyester pongee lining and hollow cotton filler keep you warm and comfortable. 3 buckles fastening keeps the cold wind out. Measures 93.7" x 51.2", long and wide enough to wrap the sides and bottom of your hammock. Comes with a stuff sack for easy storage and carrying. Great for camping, hiking, backpacking, mountaineering and other outdoor activities.