Feature: 1. 20D rip-stop nylon fabric, lightweight, tear-resistant and windproof. 2. Super soft polyester pongee lining and hollow cotton filler keep you warm and comfortable. 3. Adjustable elastic cords for easy tightness adjustment to fit your hammock better and keep the cold wind out. 4. Measures 102\" x 63\", large enough to wrap varieties of hammocks, suitable for 2 persons. 5. Comes with a stuff sack for easy storage and carrying. 6. Great for camping, hiking, backpacking, mountaineering and other outdoor activities. Specification: Features: 20D rip-stop nylon fabric, lightweight, tear-resistant and windproof. Super soft polyester pongee lining and hollow cotton filler keep you warm and comfortable. Adjustable elastic cords for easy tightness adjustment to fit your hammock better and keep the cold wind out. Measures 102" x 63", large enough to wrap varieties of hammocks, suitable for 2 persons. Comes with a stuff sack for easy storage and carrying. Great for camping, hiking, backpacking, mountaineering and other outdoor activities. Specifications: Material: Nylon Filling: 200g/m2 hollow cotton Lining: 300g polyester pongee Open Size: 260 * 160cm / 102 * 63in Package Size: 35 * 19cm / 14 * 7.5in Weight: 1000g / 2.2lb Package List: 1 * Hammock Underquilt 1 * Storage Bag Package List: 1 * Hammock Underquilt 1 * Storage Bag