Mythos - Palram Polycarbonate Greenhouses Highly resistant, transparent and safe polycarbonate greenhouse Built with light diffusing twin-wall glazing, for soft light irradiance and level temperatures Provides up to 100% protection from harmful UV sunrays Life-time resilient polycarbonate plastic walls; do not fracture, turn yellow or opacify over time Stout, rust free aluminum structure Clean-lined and functional design Maintenance-free built to last thanks to outstandingly durable materials Protects your plants from the elements, so you can enjoy extended growing period Available in various sizes and colors