Quality Material: 20D nylon shell, 300T polyester pongee lining, 500g Imitation silk floss filling, the performance of keeping warm and comfortable, skin-friendly. Lightweight and pack easily: weighs 930g (only 2 lbs), the package comes with a compression stuff sack with the straps, small in size, space-saving and easy to pack and carry, warm hammock under quilt for camping trip backpacking outdoor and mountaineering. Easy to set up: 2 Step quick & easy to set up and dismantle. this hammock underquilt comes with elastic straps and short bungee cord loops assembled on both ends for an easy fix to your hammock. Provided excellent coverage: Fits for 1 or 2-person hammock, wrap the sides and bottom of the hammock surrounded, warm, and comfortable. Stayed warm all night: the hammock under-quilt is suitable for 41°F - 68°F/ 5°C ~ 20°C degrees, keeps you warm in cold weather, and makes hammock camping much more enjoyable on cold nights and no cold butt.