Polyester Fabric BE PREPARED IN EMERGENCIES! This convenient emergency blanket will keep you warm during a visit to the hospital or in any other emergency situation. It will be a nice addition for ambulance, police and fire units or for individuals wanting an emergency blanket in their home, office or car. PROVIDES LIFE-SAVING WARMTH. Made of heavy-duty yellow polyester with cellulose matting insulation that will keep you warm in cold conditions PERFECT WHEN CAMPING, HIKING or engaging in other outdoor activities and sports BRIGHT YELLOW COLOR is easy to spot during an emergency Size: 54 x 80 inches