Specification: can Combine 2 to big sleeping bag: order 2 will ship left and right zips.  Waterproof: Yes.  Type: 3 Season.  Sleeping Bag Temperature Scale Category: Spring and Autumn Sleeping Bag.  Size: standard 220*75CM, widen 230*90CM.  Single/Double Sleeping Bag: Splicing Double Sleeping Bag.  Net Weight: about 1.0kg,1.1kg, 1.35kg, 1.5kg,1.6kg, 1.8kg.  Name: 4 Seasons Envelope Sleeping Bag.  Limited Temp: 0℃-10℃.  Length: Standard (Suitable for 1.8 m Height and Below).  Filling: Cotton.  Fabric: Terylene.  Compression Sack: about 31x20x20.  Comfortable Temperature Scale: [15℃~5℃].  Category: Cotton Sleeping Bag.  Applicable scene: Camping,Hiking,Fishing.  Applicable People: Adult.     Features: Durability and Water Resistance: This sleeping bag made of 190T tear-proof polyester and waterproof shell,filling hollow cotton it can always keep the warmth inside of sleeping bag. Inner fabric made of 190T polyester pongee soft and skin-friendly polyester，suitable and breathable。.  A variety of Specification available: Our sleeping bag come in a variety of weight,suits almost all seasons. 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. Press bag and fixed by two strips, the volume will reduce 2 times than before. After compression, sleeping bag can put in backpack or hang on backpack suspension system.     Packing Included: 1*Sleeping bag.  1*Carry bag.