This sleeping bag is made of fine quality cotton, soft and warm, it can keep the warmth inside of sleeping bag to keep you warm. Features: Warm, moisture-proof, breathable and comfortable. Lightweight and practical structure, easy to carry and can be used for a long time. Pull off the zippers when feeling hot, it can improve air permeability, adjust to what you like. Two separate sleeping bags can be joined together. Convenient storage, quick warmth and windproof. Machine washable, easy maintenance. Specifications: Color: khaki, grey (optional) Weight: 1300g, 1800g (optional) Material: polyester+cotton Item size: 2.20 * 0.80 * 0.68m / 86.6 * 31.5 * 26.8in Package size: 1300g: 220 * 220 * 430mm / 8.7 * 8.7 * 16.9in 1800g: 250 * 250 * 430mm / 9.8 * 9.8 * 16.9in Package weight: 1300g: 1400g / 3.8lb 1800g: 1900g / 5.1lb Packing List: 1 * Sleeping Bag 1 * Storage Bag