Features: Aluminum film insulation: effectively keep warm and prevents rapid loss of body temperature. Light weight and compact: convenience to carry, suitable for outdoor activity and travel. Waterproofs and Wind proof: Aluminum film material can effectively resist rainwaters and wind cold. Foldable: Easy to store and easily accessible when need. Suitable for outdoor activity such as camping, and hikings. Can used for various condition such as warmth preservations, emergencies First Aids, and shading. Specifications: Material: PET film+coating Size: about 210x130cm/82.68x51.18inch Thickness: about 0.01197mm/11.97um Package Includes: 1x Warm Thermal Blankets note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.