Durability and Water Resistance: This sleeping bag made of 210T tear-proof polyester and waterproof shell, it can always keep the warmth inside of sleeping bag.Inner fabric made of soft and skin-friendly polyester, also suitable for baby.Cosy Temperature Scale: Our sleeping bag suits almost all seasons. Tighten the rope when feeling cold, to enhanced warmth.Pull off the foot area zippers when feeling 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℃.Small Space,Easy to Carry: 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. Specifications:Product Name: 4 Season Sleeping BagDdimension:standard: 220x75cm(86"x29")Net Weight: 1kg(2.2lbs), 1.4kg(3.1lbs), 1.6kg(3.5lbs), 1.8kg(3.9lbs)Color: OrangeFabrics: anti-tear polyester fabricFilling: 100% cottonComfort temperature:summer type: over 25℃spring & autumn type: about 10℃~20℃winter type: about 0~5℃~10℃Package Included:1 x Sleeping BagAfter compression, sleeping bag can put in backpack or hang on backpack suspension system.easy to deal with indoor and outdoor temperature changes, soft and comfortable, warm and breathable.