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