Best Emergency Blankets of 2026

Fifteen ounces decides this one. Every other blanket in this guide disappears into a pocket; the Arcturus is a deliberate weight in a daypack, and it earns that by being the only product here you can rig as real shelter. Three layers of reflective mylar bonded to polypropylene with a nylon face, 82 by 60 inches, and four reinforced grommets let you string it as a windbreak, stake it as a ground cloth, or pull it over a branch as a lean-to. It goes back into a waterproof carry bag.

As a wrap it behaves nothing like a space blanket. There is enough body to it that it does not shred the first time it catches on a branch, and the reflective side returns heat while the layers block wind and rain. This is the one we hand to someone who has never used mylar in their life, with no instructions beyond getting under it. For a vehicle kit in snow country or a basecamp box, that robustness is why it stays in the truck all winter instead of migrating to the garage shelf.

The trade is portability. A pound of tarp is a pack decision, not something that lives in a jacket pocket, and if all you want is a sheet behind the seat of a sedan, the two-ounce packs here do the same thermal job for a fraction of the weight. The Arcturus makes sense when the blanket is equipment rather than an afterthought: rigged, reused, and counted on.

Twenty-eight microns is more than double the film on the standard packs here, and it is the reason this set exists. The mylar is camo-printed on one face and reflective on the other, opens to 82 by 52 inches, and — the part that matters — pulls tight without the corner in your hand turning into a tear.

What the thickness buys is a second and third use. These fold back down into the ripstop nylon stuff sack or the zippered pouch with a carabiner, and 12 ounces for four is still light enough to carry without thinking about it. The bags matter more than they sound: the reason cheap foil blankets get left behind is that nothing ever goes back into the packet they came in, and a blanket that returns to a bag is a blanket that goes on the next trip.

We choose these for a pack we are actually carrying, on a trip long enough that the blanket gets used more than once, and for anyone who has already shredded a cheap space blanket on the first cold night. What you are buying is the difference between a blanket you use and a blanket you replace.

Eighty-four by sixty-four inches is a foot wider than a standard sheet, and that foot is the difference between covering an adult and covering an adult's torso. Wrap one of these around a tall person and the corners meet in front instead of gapping at the shoulder; wrap it around someone going into shock and the head and the feet fit under the same piece of film.

Ten of them come individually folded and sealed in 6-by-4-inch packets, which is the version of this product we prefer: buying coverage rather than film quality. The mylar itself is standard — reflective, waterproof, windproof — so what you are paying for is the pattern on the sheet, not a better material. For tall adults, for wrapping a casualty, and for lining a tent or a car interior, that is the right trade.

The film does not breathe, which is fine for a ten-minute wrap and less fine if someone stays in one for hours, since condensation builds inside and wets the clothes you were trying to keep dry. A ten-pack is also more than a solo traveler needs, though the sealed packets stack flat and store like a paperback.

Orange is the reason this four-pack is here. A silver sheet does the same thermal job, but silver disappears against snow, wet rock, and a guardrail at dusk; orange reads as a signal, and for a car kit that is half of what the blanket is for. The film is aluminized mylar like the rest, so the color costs you nothing in performance.

The other half is coverage, and 84 by 55 inches is generous — enough to wrap an adult properly rather than optimistically. Each blanket is folded, wrapped, and sealed on its own, which we like for a vehicle: one packet in the glovebox, one under the spare, two left for the pack. Four is a sensible number for a household with one car and one hiker in it.

The care instructions say machine wash, and no mylar blanket survives a machine: rinse it, shake it out, and let it air dry over a chair. Beyond that, these are wraps and ground covers, and four sealed packets will sit in a car for years without taking up room you notice.

A hundred blankets is not a bigger ten-pack; it is a different purchase. This is what you buy when the blankets are leaving your house — a shelter, a winter outreach, a search team, a congregation filling blessing bags — and the individually folded 82-by-52 sheets are designed to be handed on rather than kept.

The material is the same aluminized mylar as everything else here: reflective, about two ounces per blanket, and reusable in the sense that a careful refold gets you a second use. What you are paying for is the count. Per blanket, this is the cheapest way to put a reflective sheet into a lot of hands at once.

We recommend it only to a group buyer. For a household it is a box that takes up a shelf and a decade to work through, and the money is better spent on a ten-pack plus one reusable tarp. For the shelter or the outreach, the format is right: loose sealed packets you can dole out by the handful without breaking a multipack apart.

Plan a bin or a tote to keep the packets together. A hundred loose foil envelopes in a garage is its own kind of emergency.

Hold one of these up to a window and you can read through it. That is normal for half-mil film, and it costs you nothing in warmth — the reflective layer still returns body heat — but it is worth knowing before you unwrap one in front of someone who was expecting foil.

At 84 by 52 inches there is enough blanket to cover one adult from shoulders to boots, with reflective foil over a mylar insert doing the usual work of holding heat in and weather out. The size is right for a first aid kit: big enough to be useful, not so big that wrapping someone on the ground turns into a wrestling match.

The care instructions say disposable, which is the most honest thing on the pack. This is a consumable: you open it, wrap someone, and it goes in the bin rather than back in the pouch. In a kit that gets restocked — a car, a rescue bag, a school first aid box — that is exactly the behavior you want.

We keep a ten-pack split between the car and the hall closet and do not think of it as reusable gear. What it is, is inexpensive insurance you can afford to give away, and the ten-count divides cleanly between a vehicle kit and a house kit without leaving either one short.

Twelve is an odd number until you count a household: two cars, two packs, the garage shelf, the boat, and a couple to hand out. This pack is sized for that kind of distribution, and at 12 microns of aluminized mylar it works out to the lowest per-blanket cost of anything here outside the hundred-count box.

Each opens to 82.6 by 51.2 inches, the standard wrap for a seated adult, and the film is waterproof and windproof enough to serve as a ground sheet or a wind block behind a rock. Nothing about the material stands out; the count and the cost are the whole argument.

The film is thin even by mylar standards, so plan on one use per blanket unless you fold it back along its original creases. Two of them layered over each other make a noticeably warmer wrap than one, and at this count you can afford to double up whenever warmth matters more than pack space.

For outfitting a family, a rental property, or a car club where blankets get handed out and never come back, this is the pack we buy. Stock it for distribution rather than for the blanket itself.