Transparent Mylar Film, Thickness: 2 Mil To 20 Mil, Packaging Type: Roll
Viagrow 100 ft. Highly Reflective Mylar, Light Diffusing Film with White Plastic Vapor Barrier VMY150 - The Home Depot
Amazon.com: VIVOSUN 6 Mil Mylar Film Roll, 4 ft. x 10 ft. Diamond Film Foil Roll, Heavy-Duty Reflective Film for Grow Tent, Warm House, and Grow Room (10 ft.) : Patio, Lawn & Garden
005" thick Mylar® Type A Polyester Film | CS Hyde Company | 800-461-4161