●Nylon ●Imported ●3 Season Sleeping Bag:Comfort temperature is 50℉-68℉(10℃-20℃).Recommended limit temperature is 41℉-77℉(5℃-25℃).Our sleeping bags are convenient to carry and storage.Perfect for emergency,camping,backpacking,travelling and hiking. ●Comfortable:Shell Material - High quality nylon which is waterproof and Breathable for optimal warmth and insulation.Lining Material - 190T polyester pongee which is cozy,skin-friendly and soft to make you sleep well.Fill Material - Hollow microfiber could keep warm enough. ●Roomy and Lightweight:The size of the sleeping bag is 86.6 x 31.5 inches(220 x 80 cm).Pack weight is about 3.3lbs.It could be fully opened to be a blanket for picnic or play.Convenient to carry along for any outdoor adventures with the carry bag. ●Good Choice:The bottom zipper allow more warm or cool air to enter or exit the bag in different times of the season.It is suitable for kids,teenagers and adults.It also could be a good gift idea. ●Easy to Care and 100% Satisfaction:Wipes clean easily.We try over very best to make sure every customer is completely satisfied.Please feel free to contact us if you have any questions.