Ecoopro is an ultra-portable sleeping bag for camping, backpacking, hiking, or any other outdoor activity. It comes in the compact bag very easy to carry it in your backpack. Also, it is lightweight (1.7 lbs.). The sleeping bag is waterproof and weatherproof. And the smooth zip closure makes it more convenient. It measures 83″L x 30″W, the size fits for most people. It can accommodate an adult or two children. It made by Nylon (Waterproof and Durable), Lining:100% Polyester (Breathable and skin-friendly), Premium TC Cotton keeps the temperature from 55 to 60℉ and provides an ultra-comfort sleep environment to people.