Looking for a top - notch solution to weatherproof your RV windows. Our Reflective Foil Insulation, also known as the Double Reflective Bubble Insulation Sheet, Aluminum Foil Bubble Shield, or Radiant Barrier Roll, is the ultimate choice. Measuring a generous 47 in. by 10 ft., it provides ample coverage for even the largest RV windows. This insulation is a marvel of engineering, designed to tackle temperature extremes. The double - reflective bubble structure creates an efficient thermal barrier, reflecting up to 97% of radiant heat. In the searing summer months, it keeps the sweltering sun's rays at bay, maintaining a cool and comfortable interior. During the frigid winter, it prevents warm air from escaping, ensuring a cozy and inviting atmosphere inside your RV. Crafted from high - quality, durable materials, the insulation is tear - resistant and moisture - proof. The aluminum foil surface not only enhances its reflective properties but also offers excellent corrosion resistance, ensuring a long lifespan. Installation is a breeze; simply cut the roll to your desired size using ordinary scissors, and with the included double - sided tape, you can securely attach it to your windows in no time. When not in use, it rolls up compactly for convenient storage. Beyond its thermal benefits, it also reduces glare and enhances privacy, making your RV feel like a true home on the road.