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