MYLAR FOIL MATERIAL: Waterproof camping thermal sleeping bags Crafted from high-quality mylar foil material, which has tear and puncture resistance,reflects back 95% of body heat. It is windproof, waterproof, and breathable, protecting you from rain, wind, and snow while keeping you warm and dry. it back to you, ensuring warmth even in the most extreme circumstances for blizzards, rain, extreme cold.
