Would this work to put under a sheet in a crib to keep babies bed warm?

They do work for an outside feral cat I am caring for. I put a sheet under a blanket to keep cat warm and it is warm. but cat was scared of the the crunching sound. I used one blanket and it keeps you warm. I believe putting one under baby blanket would help keep baby warm.

Are these puncture proof? Do they tear easily?

Compared to similar mylar blankets, they are sturdier and longer lasting. However, they will puncture, and they will tear. They are not like regular blankets, not like tarps or similar things. They are not made for rough handling, but for heat and protection while sleeping or in emergency situations.

How many microns in thickness?

don't know the micron. it does have a mesh-like structure, almost like ripstop. it is light and durable. thicker than what foil balloons are made of but thinner and more flexible than tinfoil. I have worn it in -30 F and its worked wonders.

Odd question. can these block radio interference? i have a neighbor who plays with a cb radio and i pick up his transmissions and it's annoying.

Hell no . You need copper . Copper blocks all radio frequency

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ANMEILU Emergency Mylar Thermal Blankets -Space Blanket Survival kit Camping Blanket (4-Pack). Perfect for Outdoors, Hiking, Survival, Bug Out Bag ，Marathons or First Aid

Product ID: 254313655

Details

Brand
QIO CHUANG
Colour
Orange
Material
mylar
Special features
Waterproof
Style
Compact

🎒Compact & lightweight design

💧Waterproof & windproof

🔥Retains 90% body heat

R615

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Stay warm, stay prepared — your ultimate survival sidekick!

BUILT FOR THE ELEMENTS - Durable, waterproof polyester shields you from wind and rain
PACK LIGHT STAY READY - Ultra-compact 4-pack fits effortlessly in any bug-out bag or backpack
SURVIVE THE UNEXPECTED - Reflective Mylar traps heat to keep you warm when it matters most
GENEROUS COVERAGE FOR ALL - Large 84x55 inch size designed to fit most adults comfortably
VERSATILITY MEETS CONVENIENCE - Use as a blanket, shelter, poncho, or ground cover—machine washable too

The ANMEILU Emergency Mylar Thermal Blankets 4-pack offers high-performance heat retention by reflecting up to 90% of body heat. Crafted from durable, waterproof polyester with a reflective Mylar interior, these lightweight, compact blankets measure 84 by 55 inches, making them ideal for adults. Perfect for camping, hiking, marathons, or emergency kits, they’re machine washable and versatile enough to serve multiple outdoor and survival needs.

Specifications

ASIN	B07GLCYR5S
Additional Features	Waterproof
Age Range Description	Adult
Best Sellers Rank	#52,866 in Sporting Goods ( See Top 100 in Sporting Goods ) #57 in Camping Emergency Blankets
Blanket Form	Emergency Blanket
Brand Name	QIO CHUANG
Color	Orange
Customer Reviews	4.7 4.7 out of 5 stars (8,198)
Embellishment Feature	No Embellishment Feature
Fabric Type	Mylar
Fabric Warmth Description	Heavyweight
Fill Material	Polyester
Global Trade Identification Number	00707516010928
Included Components	4 blankets
Item Dimensions L x W	2.13L x 1.4W Meters
Item Thickness	0.01 Inches
Item Weight	0.52 Pounds
Manufacturer	ANMEILU
Manufacturer Part Number	JIJIU-4018
Material Type	mylar
Model Name	GONVS-DKLAP-042
Model Number	JIJIU-4018
Number of Items	4
Number of Packs	4
Pattern	Stars
Product Care Instructions	Machine Wash
Recommended User Type	Adult
Recommended Uses For Product	Camping, Hiking
Seasons	All
Size	84 inches x 55 inches
Sport Type	Camping, Hiking
Style Name	Compact
Theme	Space
UPC	707516010928
Unit Count	4.0 Count
Water Resistance Level	Waterproof

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R615

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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