Polyester .Imported .SUITABLE FOR 3 SEASONS: SIZE - 31 x 90 inches (W x D). Our sleeping bag can be used for 3 seasons with the design temperature of 32℉-77℉(0℃-25℃). These bags also feature a weatherproof waterproof design to keep you warm and protect you from any moisture. .MATERIAL: Outer Cover Material - waterproof and Breathable premium 210T Polyester Fabric; Lining Material: 190T polyester pongee; Filling Material: Microfiber. Warm and skin-friendly. .LIGHTWEIGHT & COMPACT PACKAGE: Package Weight is 3 lbs, the package size is cylinder 11.8 x 13.8 inches, which takes up less space. Suitable for any outdoor adventure, class camping trip, aquarium, summer camp, couch surfing, cramped bags, office crash and to carry as an emergency blanket for vehicles. THOUGHTFUL DESIGN: The lace-up structure allows you to tighten the hood and keep you warm. The idea of having a zipper at the foot to allow more warm or cold air in or out of the bag during different seasonal times. Our sleeping bags are designed to provide much-needed rest after a full day of outdoor activities. SATISFACTION: NO QUESTIONS ASKED, hassle- refund or replacement. We do our to make sure every customer is completely satisfied. If there is any problem, just send us a message! now! We are at your , dear. Anyway, thanks for coming!