Polyester DURABLE OUTDOOR COVER: Fits square fire pits 30"L x 30"W x 12"H OUTDOOR COVER with WARRANTY: One-year limited warranty HEAVY DUTY OUTDOOR COVER: Tough fabric with water-resistant backing protects against rain, snow, sun, dirt and won't crack in the cold CUSTOM FIT OUTDOOR PATIO COVER: Elastic cord in the bottom of hem for a fast and custom-like fit DURABLE OUTDOOR COVER WITH ADVANCED FEATURES: StayOn elastic loops fit over legs to keep cover on during high winds and breezy conditions while air vents reduce condensation and wind lofting Not designed to entirely cover the wheels or legs Durable fabric provides protection from harmful UV rays