Emergency Use: these emergency blankets are ideal for emergencies that require warmth or protection from harsh weather conditions, helping to prevent hypothermia and shock by retaining up to 90 percent of the user's body temperature; They can also be applied with emergency shelters, emergency sleeping bags, emergency camping or other lifesaving gear for extra safety Emergency Survival Insulation Blankets: these emergency insulation blankets can be applied for emergency use after an accident; Wrapping the body in a blanket can prevent a suddenly drop in body temperature; At the same time, our durable advanced aluminized polyester film blankets are proper for travel bags and emergency kits for home, car and so on Package Includes: there are 75 pack of space insulation blankets survival kit camping blankets; Each survival blanket is individually folded, wrapped and sealed for easy storage and retrieval; They are reusable, waterproof, windproof and can also be applied for ground coverings and shading Fully Protect Your Body: each 83 x 51 inches camping emergency warming blanket is large enough to serve as an emergency shelter survival tent or aluminum tarp emergency heating blanket Multiple Application: these survival blankets can be applied as reflective membranes to signal rescuers during emergencies like hiking, running, skiing, camping, expeditions; At the same time, it can be applied as a poncho in rainy days, and can be applied as a canopy when opened; Putting one in your sleeping bag when camping can have a good thermal insulation effect