1、Ultra-lightweight Design: This sleeping bag is made of lightweight materials, making it easy to carry and store. 2、High-quality Filling: 100% synthetic washable recycle fiber provides excellent thermal performance. 3、Diagonal Zipper Design: The unique diagonal zipper design allows for quick opening and closing without having to turn over. This outdoor sleeping bag is the ideal choice for winter camping. With its goose down mummy-style design, it's ultra-lightweight and provides a comfortable sleeping environment. Its unique diagonal zipper design means you don't have to turn over to find the zipper head, making it more convenient to use. Features: Ultra-lightweight Design: This sleeping bag is made of lightweight materials, making it easy to carry and store. High-quality Filling: 100% synthetic washable recycle fiber provides excellent thermal performance. Diagonal Zipper Design: The unique diagonal zipper design allows for quick opening and closing without having to turn over. Multiple Size Options: Available in S, M, L sizes to meet different usage needs. Spacious Sleeping Space: Provides ample sleeping space. Specifications: Model: S(Blue)/M(Red)/Black(Blue) （Optional） Filling: 100% Synthetic Washable Recycle Fiber Model Size Filling Weight (g) Weight (g) Comfort Temperature (°C) Limit Temperature (°C) S (Blue) 195x80cm/76.8x31.5in 800/1.76lb 1426/3.15lb 0°C -8°C M (Red) 195x80cm/76.8x31.5in 1100/2.42lb 1717/3.75lb -10°C -15°C L (Black) 195x80cm/76.8x31.5in 1400/3.08lb 1874/4.13lb -16°C -22°C Package Size: 42*22*22cm/16.5*8.7*8.7in Package list: 1 x Sleeping Bag 1 x Storage Bag 1 x Sleeping Bag 1 x Storage Bag