nylon Imported USED FOR 3 SEASONS Our Sleeping Bags can be used for 3 seasons.They are designed for 10 20 Degrees Celsius. Moreover, these bags also have a weather-resistant design to keep you warm even in extreme conditions and prevent you from any dampness - this is achieved through double-filled technology.our 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. DESIGN Separated zipper at the bottom can also make your feet often come out through the wind. Half-circle hood with adjustable drawstring keeps your head warmer even in extreme conditions.Our sleeping bags are designed to provide much needed rest after a full day of outdoor activities. MATERIAL Outer Cover Material-premium 210T Anti-tearing Polyester Fabric which is waterproof and Breathable Lining Material 190T polyester pongee SIZE EASY TO CARRY 190 30 cm x 80 cm.Can be wiped clean making it versatile and convenient. Each sleeping bag comes with a compression sack with straps, allowing for super convenient storage and easy carry maneuverability Be Assured To Buy We are committed to providing high quality products.But if you are not satisfied for any reason, please contact our customer support, we will try our best to make you satisfied with your purchase.