A little bit like a plastic grocery sack

Can you wash these and reuse??

I would say no. They are sprayed aluminum on 1 side, so washing would remove this, leaving only a plastic sheet, which would not keep you warm.

What is the mil thickness of this compared to the regular ddity mylar sheet?

One of the product images says that they are 28 micrometers thick. That's about 1 mil. I've seen other ads claiming that the cheaper space blankets are 12 micrometers. This plastic is noticeably stronger than the polyethylene used in trash bags and painter's drop cloths.

I know they are for outdoor use but any reason they couldn't be used as a travel blanket when flying?

While I've not experienced an emergency where I used these particular mylar blankets, I do recall that earlier versions of the disposable shiny mylar blankets were quite "crinkly," that is they were noisy. If these create that same annoying noise, your fellow passengers my not enjoy that disturbance. If, indeed, they are silent then their use aboard an airplane should be okay.

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World’s Toughest Emergency Blankets [4-Pack] Extra-Thick Thermal Mylar Foil Space Blanket | Waterproof Ultralight Outdoor Survival Gear for Hiking, Camping, Running, Emergency, First Aid Kits [Camo]

Product ID: 314293761

Details

Brand
Don't Die In
Colour
Woodland Camo
Material
mylar
Special features
Waterproof
Style
Compact

🎒Only 2.5 oz per blanket, ultralight & compact

🔥Reflects 90% body heat

🛡️28 micron ultra-thick HeatFlex mylar

€ 74.85

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Description

🛶 Don’t just survive—thrive with the world’s toughest emergency blankets!

SURVIVE IN STYLE - Thicker, flexible HeatFlex mylar outperforms ordinary space blankets for ultimate warmth and durability.
ALL WEATHER ARMOR - Waterproof design keeps you dry and reflects heat in cold, wet, or hot conditions—perfect for unpredictable outdoor adventures.
PACK LIGHT STAY READY - At just 2.5 oz per blanket and compact storage with ripstop nylon sacks, carry emergency warmth without the bulk.
MULTI USE TACTICAL GEAR - Convert blankets into emergency shelters, sleeping bags, or bivys with simple tape and paracord—survival versatility at your fingertips.
ECO CONSCIOUS PREPAREDNESS - Feel good about your gear—1% of sales support global conservation efforts protecting the wild places you love.

The World’s Toughest Emergency Blankets 4-Pack features NASA-designed HeatFlex mylar that’s 28 microns thick, reflecting up to 90% of body heat while remaining ultralight at 2.5 oz per blanket. Packaged in durable ripstop nylon sacks with a carabiner zipper pack, these waterproof thermal blankets are compact and versatile for hiking, camping, first aid, and emergency kits. Built to last and backed by a 1% for the Planet commitment, they’re the ultimate survival gear for professionals who demand reliability and eco-consciousness.

Specifications

ASIN	B088XQJJWQ
Additional Features	Waterproof
Age Range Description	Adult
Best Sellers Rank	#8,003 in Sporting Goods ( See Top 100 in Sporting Goods ) #11 in Camping Emergency Blankets
Blanket Form	Emergency Blanket
Brand Name	Don't Die In The Woods
Color	Woodland Camo
Customer Reviews	4.7 4.7 out of 5 stars (2,475)
Embellishment Feature	Zipper
Fabric Type	Mylar
Fabric Warmth Description	High
Fill Material	Mylar
Included Components	ripstop nylon stuff sack, nylon zipper pack with carabiner
Item Dimensions L x W	182.9L x 121.9W centimeters
Item Thickness	28 Micron
Item Weight	0.75 Pounds
Manufacturer	Don't Die In The Woods
Manufacturer Part Number	Pro Emergency Blanket 4 Pack
Material Type	mylar
Model Name	Force Field Emergency Blanket
Model Number	Pro Emergency Blanket 4 Pack
Number of Items	4
Number of Packs	4
Pattern	Solid
Product Care Instructions	Hand Wash Only
Recommended Uses For Product	Camping, Hiking, Napping, Travel
Seasons	Winter
Size	Full
Sport Type	Camping, Hiking
Style Name	Compact
Theme	Military
UPC	041964691248
Unit Count	4 Count
Water Resistance Level	Waterproof

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€ 74.85

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Belgium.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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