polyesterImportedThe filling material is Polyester, Pack Weight is 4 lbs , Temperature Rating is 32 degrees Fahrenheit Sky blue, dark gray, red, camouflage is the left zipper, purple orange, green, army green, is the right zipper. you can get a good and relaxing night's sleep.Roll Control Design makes folding quick and easy ,Zip two together for double the roomFEEL THE DIFFERENCE : FARLAND Super Comfortable Sleeping Bags are designed to ensure that after a tiring day of trekking, hiking, travel or any other exploration you can get a good and relaxing night's sleep.Roll Control Design makes folding quick and easy , Zip two together for double the roomDESIGNED FOR COOL COLD WEATHER : Comfort temperature is 41 -68 (5 -20 ) Recommended limit temperature is 32 -77 (0 -25 ). Moreover, these bags also have a waterproof, weather-resistant design to keep you warm even in extreme conditions and prevent you from any dampness - this is achieved through double-filled technologySIZE : Envelope-Shape Sleeping Bag measures 86.6"L x 29.5"W, Suitable for adults, teenagers, Kids, boys and girlsMaterial : Outer Cover Material: 290 T Nylon, Waterproof and Breathable Fabrics;Lining Material:Polyester Pongee;Fill-Material: Polyester Fiber. its lightweight compact design which is convenient to carry along for any outdoor adventures, and its ability to withstand extreme weather conditions certainly the best sleeping bag for adventures100 RISK-FREE SATISFACTION GUARANTEE : We also offer you 100 Risk-Free Satisfaction Guarantee to let you buy with confidence. However, we are quite sure that you will be super impressed with its ability to keep you warm in winter