• polyester
• ✅ULTRA LIGHTWEIGHT AND EASY TO PACK：The sleeping bag weighs only two pounds and is compact and lightweight,At the same time,you can easily tuck it into the tote bag we have prepared for you. so that your outdoor travel is no longer cumbersome.Let you lightly go on the road and go wherever you want to go.
• ✅COMFORTABLE, WARM AND SKIN-FRIENDLY：The ergonomically designed envelope sleeping bag is designed with more space in mind fitting all shapes and sizes. Size: 82.7" x 29.5",Can meet the body size of most adults, making your sleep more comfortable and safe.
• ✅ MADE FROM HIGH QUALITY MATERIALS AND STRUCTURES FOR DURABILITY：this sleeping bag can withstand years of practical use, even for children and teenagers. We use durable fabrics to escort your journey. The seams are double reinforced and the zipper is rigorously tested.
• ✅USED FOR 3 SEASONS: Our sleeping bag can be used in 3 seasons with a design temperature of 10 to 20 degrees Celsius. In addition, these sleeping bags are weatherproof, allowing you to stay warm even under extreme conditions and prevent you from getting wet – thanks to double-fill technology. Our sleeping bags are designed to ensure that you can get a good and relaxing night's sleep after a tiring day of trekking, hiking, travel or other situations.
• ✅100% SATISFACTION GUARANTEE AND FULL YEAR WARRANTY:If you have any quality problems, please send us an email and we will reply within 24 hours. We provide the best customer experience possible