Insulate with style! 🛠️ Tough polyethylene layers ensure long-lasting performance. Fiber-free and environmentally safe for guilt-free insulation. Perfect for crawl spaces, attics, walls, and more! Lightweight design makes it a breeze to install in any space. Two aluminum foil layers reflect heat away, keeping spaces cool. 24" x 25' size 7-layer strength Eco-friendly material The Reflectix BP24025 is a 24-inch by 25-feet bubble pack insulation solution designed for various applications, including crawl spaces, attics, and walls. Made from seven layers of aluminum foil and polyethylene, it offers superior heat reflection and durability while being environmentally safe and easy to install.