The Suncast Glidetop Horizontal Shed is made from multi-walled polypropylene resin material, making it highly durable and perfect for storing your generator outside. It also comes with a 10-year limited warranty, so you can be confident in its quality. Additionally, this shed is large enough to accommodate a portable generator, making it ideal for emergencies. The sliding lid design makes it easy to access the machine, even when it's raining or snowing. Plus, the polypropylene resin panels are double-walled, so you know your generator will be safe and sound.