Made of Polyethylene, PE material, effectively keeps 90% heat in low temperature.Ultra-thin, lightweight and foldable, easy to carry and store.Tear-resistant, windproof, waterproof, create a barrier between you and frigid cold.Suit for outdoor camping, hunting, emergency shelter, or car emergency kit.
Spencer Emergency Sleeping Bag Waterproof Lightweight Survival Bivy Sack Reusable Thermal Emergency Blanket Survival Sleeping Gear for Outdoor Hiking Camping
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