Waterproof and Windproof - These emergency thermal blankets are reusable, waterproof and windproof, and they are also durable enough.
Pack of 4 - Whether it's 4 pack, they can meet the needs of the whole family very well.
Keep Body Heat - Perfect for emergency situations where warmth or protection from all-weather conditions is required. Helps prevent hypothermia and shock by retaining/reflecting up to 90% of a user's body heat.
Fit Emergency Survival Situations - Each survival blanket is individually folded, wrapped, and sealed for easy storage and retrieval, and advanced aluminized dual-sided Mylar blankets, perfect for conserving body heat in emergency survival situations.
Multiuse - These blankets can also be used for camping and outdoor adventures, hiking, backpacking, as a sun reflector, emergency signal, mat, water collector, etc.