• nylon
• Camping --no odor for nice sleeping experience, for cold weather
• Winter --great for survival, backpacking, hiking, camping, trekking and any other exploration,camping
• Outdoor --long enough for adults to keep warm, can can be freely adjusted,camping
• for adults--comfortable, anti-splashing water, durable and lightweight,camping
• for cold weather--foldable and for convenient storage with drawstring bag container supplies,camping