HealthyLine - Thermal Foil Sauna Blanket (Pack of 50 pcs) - for Detox & Weight Loss, Far Infrared Therapy, Survival and Preparedness - Retains up to 97% of Body Heat - 64in x 84in Mylar SheetsBrand: HealthyLine Color: Silver Features: Multipurpose Insulated Emergency Blanket Protect yourself against heat, cold, rain, snow and storms outdoors while camping, hiking, running or simply use it as a poncho liner in a stadium. Add them to your survival and first aid kit: These space blankets are designed to reflect up to 90% of body heat. Waterproof, windproof and stormproof your gear, shelter, tent, sleeping bag. Detox & Weight Loss use it with