- Made of Polyester More Durable Than Mylar
- Heat Retaining and Durable. The emergency sleeping bag helps retain up to 90% of body heat. It’s reusable if you use carefully and fold it up patiently.
- Moisture-proof and Windproof: Our emergency bivy sack does better in waterproof, windproof, and keeps you dry and warm in damp and downright cold environments.
- Large but Portable: The thickness is 40um, thicker and stronger than other similar products. Each emergency bivy measures 84 X 36in, large enough to wrap around your body to provide you comprehensive protection. Packing size is 5.5 X 2.5 X 2.5in and only 4.9 oz and it can be put in your pocket easily.
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