Polyester 🌈【Material】:Outer Cover Material-premium 210T Polyester Fabric which is waterproof and Breathable;Lining Material:190T polyester pongee; Fill-Material: 100% Microfiber. 🌈【Fashion Design】SIZE - 31 by 90 inches (W x D). Our sleeping bag can be used in 3 seasons with a design temperature of 32℉-77℉(0℃-25℃). These bags also have a weather resistant waterproof design to keep you warm and prevent you from any dampness. 🌈【Convenient To Carry】: Pack Weight is 3lbs, the package size is cylinder 11.8 by 13.8 inches and would take up less space. Convenient to carry along for any outdoor adventures, class camping trip, the aquarium, summer camp, couch surfing, jam bags, office crashing, and as an emergency blanket for vehicles. 🌈【Keep Warm】: Drawstring allows you to tighten hood and keep you warm. Our sleeping bags are designed to provide much needed rest after a full day of outdoor activities. 🌈【High Quality Service】If you have any questions, please contact us immediately and we will serve you 24 hours. We will try our best to help you and make you 100% satisfied. PRODUCT SPECIFICATIONS: Size: Standard - 31 by 90 inches (W x D) Product weight: 3 lbs Storage size: Cylinder 11.8 by 13.8 inches（Vacuum compressible） Comfort temperature: 5℃-15℃ / 41℉-59℉ Limit temperature: 0℃ / 32℉ A thought out design: Drawstring allows you to tighten hood and keep you warm. The idea of having a zipper at the foot to allow more warm or cool air to enter or exit the bag in different times of the season.Our sleeping bags are designed to provide much needed rest after a full day of outdoor activities. Easy Care: Cold Water Washing / Machine Washable SHOPPING CONFIDENTLY: We are very sure that you will like our sleeping bag, if there are any questions, we will serve you at any time, until you are satisfied.