Foil double bubble foil with multipurpose insulation, which is comprised of 2 layers of polyethylene bubbles that are sandwiched between 2 layers of 99% pure aluminum foil. The polyethylene encapsulated air bubbles served as an effective thermal insulation as well as vapor barrier, while the two outer layers of aluminum reflect up to 97% of all of the radiant energy. This product is also available in a Foil Single Bubble Foil format. 99% pure aluminum with up to 97% of all of the radiant energy transferred; substantial reduction in fuel and energy cost; Stop radiant heat flow by both 97% reflectivity and 3% emissivity; fire retardant; Good alternative by reducing animal mortality rate; Reduction in the amount of investment dollars needed for heating and cooling equipment; Outstanding safety, health and environmental merits. Clean, non-toxic and lightweight; handle easily, no maintenance required; No breathing apparatus required, no special tools or clothing or protective equipment; Vap