Emergency Sleeping Bag, Reflective Mylar Bivy Sack with Storage Pouch and Whistle for Camping
Reflective Mylar Emergency Sleeping Bag
Estimated delivery: 3–10 days
Item details Materials, dimensions, what is in the box
Emergency sleeping bag in reflective Mylar gives you a lightweight, packable layer for camping, hiking and outdoor preparedness. Its polyester film construction reflects body heat, while the waterproof material provides a barrier against wet conditions. This survival sleeping bag has no insulating filling and unfolds to approximately 83.86 × 35.83 inches.
Take the emergency bivy sack out of its storage pouch, unroll it and climb inside. You can also use it as a sleeping bag liner or emergency blanket. Its multipurpose design offers additional options as a poncho or improvised emergency shelter. Choose Orange for a bright outer color intended to help rescuers spot you, or select Olive Green.
The reusable emergency sleeping bag folds back into its waterproof nylon pouch for storage between outings. A survival whistle and paracord drawstring accompany the pouch, keeping these accessories together with your packed bivy. The film has a tear- and puncture-resistant coating for added durability.
Specifications
| Material | 26-micrometer Mylar reflective polyester film; no insulating filling |
| Opened dimensions | Approximately 83.86 × 35.83 in / 213 × 91 cm |
| Colors | Orange or Olive Green |
| Storage pouch | Waterproof nylon with paracord drawstring |
| In the box | One emergency sleeping bag, one storage pouch and one survival whistle |
What problem does it solve?
Keep a compact backup layer with your outdoor gear when plans change or conditions turn wet. This emergency bivy bag packs into its own pouch, so you can carry it while hiking or keep it ready with camping equipment. Its reflective film offers a body-covering layer without bulky filling, and the included whistle gives you another way to attract attention.
The problem in numbers
- The National Park Service recorded 3,428 search-and-rescue incidents in 2022. (The Ohio State University, DESIS research article, 2023)
- The National Park Service reported $21.6 million in tracked major search-and-rescue costs from 2019 through 2023. (Congressional Research Service, 2024)
- National park sites recorded 8,088 search-and-rescue incidents from 2018 through 2020. (PennLive, 2022)
Outdoor trips can involve unexpected delays and exposure, making a compact backup layer useful to carry. This reflective bivy and included whistle add practical items to a broader preparedness kit, without replacing trip planning or rescue assistance.
Why choose this one?
Choose this mylar sleeping bag for its combination of reflective film, waterproof construction and reusable design. The material is 26 micrometers thick and has a tear- and puncture-resistant coating. A waterproof nylon pouch keeps the folded bag together, while the included whistle and paracord drawstring add practical details to a lightweight survival bivy.
What exactly do you get?
You receive one emergency thermal sleeping bag in your choice of Orange or Olive Green, plus a waterproof nylon storage pouch with a paracord drawstring and a survival whistle. Opened dimensions are approximately 83.86 × 35.83 inches, or 213 × 91 cm. Unroll the bag for use, then fold it back into the pouch for carrying and storage.
Frequently asked questions
Straight answers about the materials, care and everyday use — no fine print.
How large is it when opened?
This emergency sleeping bag opens to approximately 83.86 × 35.83 inches, or 213 × 91 cm. Those measurements describe the unfolded bag, not its packed pouch.
What material is it made from?
The emergency sleeping bag is made from 26-micrometer Mylar, also described as reflective polyester film. It has no insulating filling and includes a waterproof nylon storage pouch.
Is it waterproof?
Yes, the emergency sleeping bag has waterproof film construction. Its included nylon storage pouch is also waterproof.
Can I pack it away and use it again?
Yes, this emergency sleeping bag is reusable. Fold it after use and return it to the included pouch for storage.
How do I open it for use?
Remove the emergency sleeping bag from its pouch, unroll it and climb inside. Its bag-shaped design provides an alternative to wrapping a flat emergency blanket around yourself.
Can it work as a sleeping bag liner?
Yes, you can use this emergency sleeping bag as a liner. Its reflective film adds a separate layer inside your sleeping setup.
What comes with my purchase?
You receive one emergency sleeping bag, one waterproof nylon storage pouch and one survival whistle. The pouch also has a paracord drawstring.
Which colors can I choose?
The emergency sleeping bag comes in Orange or Olive Green. The bright Orange option is intended to help rescuers spot you.
Can I use it for anything besides sleeping?
Yes, this emergency sleeping bag can also serve as an emergency blanket, poncho or improvised emergency shelter. These uses make it a multipurpose addition to camping and hiking equipment.
What makes the film more durable?
The emergency sleeping bag uses 26-micrometer Mylar with a tear- and puncture-resistant coating. It is designed to fold back into its pouch for repeated use.
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