It's a lightweight tool made from a reflective material known as Mylar. This blanket is used in emergency situations to maintain body heat, especially in harsh conditions or during exposure to extreme cold.

Its features:

1. Heat retention: Reflects heat emitted by the body and helps reduce heat loss, thus helping to prevent hypothermia.

2. Lightweight and easy to carry: It is very lightweight and can be folded to take up little space, making it ideal for keeping in a first aid kit or emergency bag.

3. Waterproof and Windproof: Helps protect against wetness and wind, adding an extra layer of protection against the elements.

4. Versatile: Can be used as a cover, to provide temporary shelter, or as a reflector to attract attention in rescue situations.

Uses:

• Accidents and Rescue: Used to keep injured people warm and prevent hypothermia while waiting for help.

• Outdoor Adventures: Essential for activities such as camping or mountaineering.

• Natural disasters: Included in emergency equipment used during earthquakes or floods.

A thermal blanket is an essential tool for anyone in their first aid kit or someone concerned with safety and emergency preparedness.