- PE aluminum film
- Waterproof and moistureproof: made from pe aluminum film, this sack ensures your sleeping bag remains dry and protected from the elements
- Convenient drawstring design: the drawstring closure makes it easy to pack and carry, providing a easy solution for outdoor storage
- Essential emergency features: equipped with an emergency whistle, this sack offers and a means to call for help in critical situations
- round bag: the small round bag with a handle is great for attaching to backpacks or carrying by hand, enhancing its portability
- Versatile outdoor use: ideal for camping, hiking, and travel, this sack is a versatile and practical addition to any outdoor gear collection
