This sleeping bag has a multi-layer structure that can easily cope with outdoor temperature changes. Let it accompany your camping in winter.feature:1. Ingenious design, not only can be used as an ordinary sleeping bag, but also can be used with a hammock.2. Excellent heat preservation and air permeability, can maintain a good shape under pressure, anti-deformation quality, light weight, strong pressure resistance, no mothproof, mildewproof and moistureproof.3. The durability of high-strength wear-resistant fabrics.4. The reserved hole position can be used for hammock.5. Anti-pinch two-way zipper, no need to worry about the zipper clipped on the internal storage box, which can effectively avoid damage to the internal storage box of the sleeping bag.specification:Comfortable temperature range: [0℃～-10℃]Single/double sleeping bag: stitching single sleeping bagApplicable people: Adult length: lengthened (1.8 m-2 m height)Season: winterSize: 2300 800 500mm 90.6 31.5 19.7 inchesCategory: Winter sleeping bagCategory: CottonSleeping bag filling: cottonStyle: MummyProduct size: 2300 800 500mm 90.6 31.5 19.7inPackage weight: 1700g 60.0ozPacking size: 450 300 300mm 17.7 11.8 11.8inPacking list:1 sleeping bagAll seasons: Not only good for warm weather, but also good for extremely cold weather. Used for camping, hiking, backpacking, indoor, office