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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QIO CHUANG Emergency Mylar Thermal Blankets 4 Packs Survival Kit 84''x55''

QIO CHUANG Emergency Mylar Thermal Blankets 4 Packs Survival Kit 84''x55''

Product ID: 81807158

Details

Brand
QIO CHUANG
Color
Orange
Material
Polyethylene
Special Feature
Waterproof
Style
Compact

🎒Compact & lightweight for easy carry

💧Waterproof & windproof design

🔥Reflects up to 90% body heat

¥2829

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Description

🧣 Stay warm, stay ready — your survival sidekick in every adventure!

PACK GO READY - Individually sealed, ultra-compact blankets fit perfectly in your bug-out bag or car emergency kit.
ALL WEATHER SHIELD - Waterproof and windproof Mylar fabric keeps you dry and protected from rain, snow, and wind.
TRUSTED TOP RANKED - Join thousands of outdoor pros and emergency preppers who rate it 4.7 stars and #2 in camping blankets.
ULTIMATE HEAT RETENTION - Locks in 90% of your body warmth to fend off hypothermia in any emergency.
VERSATILE SURVIVAL ESSENTIAL - More than a blanket—use as ground cover, shade, emergency signal, or even a solar oven.

The QIO CHUANG Emergency Mylar Thermal Blankets 4-Pack offers durable, dual-sided aluminized Mylar blankets measuring 84''x55''. Designed for emergency and outdoor use, these waterproof, windproof blankets reflect up to 90% of body heat to prevent hypothermia. Compact and lightweight, each blanket is individually sealed for easy storage, making them ideal for camping, hiking, car kits, and survival situations. Highly rated and versatile, they serve multiple survival functions beyond warmth.

Specifications

ASIN	B07GLCYR5S
Additional Features	Waterproof
Age Range Description	Adult
Best Sellers Rank	#1,558 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Camping Emergency Blankets
Blanket Form	Emergency Blanket
Brand Name	QIO CHUANG
Color	Orange
Customer Reviews	4.7 4.7 out of 5 stars (8,445)
Embellishment Feature	No Embellishment Feature
Fabric Type	Mylar
Fabric Warmth Description	Heavyweight
Fill Material	Polyester
Global Trade Identification Number	00707516010928
Item Dimensions L x W	84"L x 55"W
Item Thickness	0.01 inches
Item Weight	8.32 ounces
Manufacturer	QIO CHUANG
Manufacturer Part Number	JIJIU-4018
Material Type	Polyethylene (PE)
Model Number	JIJIU-4018
Number of Items	4
Number of Packs	4
Pattern	Star
Product Care Instructions	Machine Wash
Recommended User Type	Adult
Recommended Uses For Product	Camping, Hiking, Napping, Travel
Seasons	All
Size	84 inches x 55 inches
Sport Type	Camping, Fishing, Hiking
Style Name	Compact
Subject Character	elf
Theme	Space
UPC	707516010928
Unit Count	4 Count
Water Resistance Level	Waterproof

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¥2829

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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