Upgrade your gardening experience with these 10 - pack polycarbonate greenhouse panels. Measuring 4 ft. x 2 ft. x 0.24 in. they are made of high - quality polycarbonate with a twin - wall design. These panels are incredibly strong, withstanding extreme weather from - 40°C to 120°C. Their high transparency allows 89% light transmission while blocking 99.9% of UV rays, ensuring healthy plant growth. The lightweight nature makes them easy to handle and install, and they can be cut and cold - bent for custom designs. Ideal for greenhouses, pool roofs, and more, they bring practicality and aesthetics to your living space, extending the growing season and enhancing your projects.