Durability and Water Resistance: This sleeping bag made of 170T tear-proof polyester and waterproof shell,filling hollow cotton it can always keep the warmth inside of sleeping bag. Inner fabric made of 170T polyester pongee soft and skin-friendly polyester,suitable and breathable. Can use adjust elastic strap design when you cold ,bottom zipper design can help your feet free when you are hot it can improve air permeability, adjust to what you like. Summer type comfort temperature over 25℃, spring & autumn type comfort temperature about 10℃~20℃, winter type comfort temperature about 0~5℃~10℃. Compact and portable: This sleeping bag has its own compression bag, which has two tightable strips. bag and fixed by two strips, the volume reduce 2 times than before. After compression, sleeping bag can put in backpack or hang on backpack suspension system. Type: 0.95kg style: filled with 200g/㎡ hollow cotton, the use temperature is 20℃ to 15℃ to 10℃ Colour: Green Material: 170T polyester+cotton Size: (180+30) x 75cm Package Contents: 1 x sleeping bag Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.