LIFETIME AFTER-SALE SERVICE: We have confidence that you will love the single sleeping bag and provide a lifetime protection for free from the date of its original purchase. If you encounter any issue, contact us. We promise you will experience a good night's sleep or your money back!. REVOLUTIONARY ZIPPER SYSTEM: We adopts two-way zipper with “zipper guard” to prevent stuck hooks effectively. For this design, you can zip yourself into the warmth of your sleeping bag easily and quickly. The convenient double-sided zipper also allows for closure while lying inside. COMFORTABLE & SKIN-FRIENDLY: We adopt 230T polyester as surface material and hollow cotton as filler. For this reason, the sleeping bag is quite soft, comfortable, skin-friendly and waterproof. It can help you to get rid of a tiring day of hiking, camping and travel. GET FANTASTIC FREEDOM: The camping sleeping bag measures 82.6" x 31.5", which ensures you to move freely in it. The zipper with separated bottom zipper can let you stick your feet out. Package size:16.5" x 10.23". It is quite lightweight and convenient for your adventures. GOOD FOR WARM/COOL WEATHER: Our sleeping bag withstands weather of up to 41°F and can stay warm and cosy even when it's 59°F~ 77°F. It also has a waterproof, weather-resistant design to keep you warm and prevent you from any dampness - this is achieved through double-filled technology and V-shaped quilted design. 230T waterproof polyester shell,soft and breathable polyester liner,1100 g 3D cotton filling. Polyester/Cotton.