These blankets are commonly referred to as Space Blankets and retain 90% of an individuals body heat to keep warm in cold conditions. It protects against wind and rain.

Five Pack of Emergency Blankets Features:

• Aluminized Mylar
• Five MYLAR EMERGENCY BLANKETS - Advanced dual-sided aluminized mylar blankets.
• LIGHTWEIGHT AND DURABLE - Military-grade 12-micron aluminized polyethylene mylar
• EMERGENCY USE - Designed to retain up 90% of your body heat, completely block rain, snow, moisture.