The 4′ x 6′ Skylight storage structure from Palram is crafted from durable Polycarbonate panels in addition to aluminum and galvanized steel framework. Polycarbonate is a tough, nearly indestructible material that is resistant to UV rays and harsh weather conditions. These panels are actually more resilient than those manufactured from polypropylene or polyethylene. The main feature of this storage structure is the polycarbonate Skylight located on the roof, which allows natural sunlight to brighten the interior all day long. The Skylight roof, with its secure opaque exterior visibility, also functions as a shield against damaging UV rays, protecting your stored items. This storage structure is easy to maintain and can be effortlessly cleaned. There is no necessity for painting or treating its surface. For durability against extreme weather, it is advisable to securely anchor this structure to the ground. It can be anchored to solid surfaces like wood, concrete, or metal (anchoring screws are not included with the storage structure).