3-in-1 Design: VEVOR 16-piece, 4 ft x 24 in double reflective insulation sheet features a versatile 3-in-1 design: radiant barrier + insulation + vapour control, ensuring exceptional thermal performance. Excellent radiant barrier keeps you cool in summer and warm in winter

Four-Layer Protection: Featuring double-sided aluminum foil coating and double-layer air bubbles, this 6 mm thick thermal insulation sheet effectively reflects sunlight and blocks heat transfer in summer, while preventing heat loss during winter

Reflects Over 95% of Heat: Featuring high-density aluminum foil coating with outstanding heat reflectivity, this double aluminum foil air bubble radiant barrier reflects more than 95% of solar heat, delivering superior heat blocking and thermal insulation

Easy Installation: These double-sided aluminum foil insulation panels are easy to cut and install, just DIY the roll size and shape to meet your different needs. When not in use, it can be easily folded up for space-saving and convenient carrying

Versatile Applications: Our thermal insulation heat shield is tear and puncture-resistant, scratch and wear-resistant, durable and lightweight. Perfect for windows, garage doors, houses, roofs, etc, offering effective heat blocking and insulation