Comfort & Durable: Made of breathable polyester material, lightweight and soft that suits adults, teenagers, and kids while camping or on an outdoor adventure. Four Seasons Available: This lightweight sleeping bag can be used at -5??C - 15??C, suitable for 4 seasons. Perfect for backpacking, camping, mountaineering, hiking, or even using at home. Humanized Design: Two-way zipper design is convenient for ventilation while locking in heat. The bottom is also a zipper design means that your feet can expand for ventilation. Easy to carry: The compact sleeping bag measures 220 x 86 cm, which is spacious and comfortable. and the sleeping bag can be folded and stored in a storage bag measuring 37 x 20 cm, which saves space and is very convenient to store and carry. What's more, it is only 1.5 KG. Multipurpose: After the sleeping bag is unfolded, it can be used as a quilt or a sleeping pad. You can also splice two sleeping bags up and down after they are fully developed, making it a double sleeping bag that is a perfect choice for couples or families.