Outdoor Indoor Waterproof Deluxe Heavy Duty Smoker Cover Gas Electric Masterbuilt Protection Patio (Fit 40 inch model smoker--L24"*W22"*H42"-XQ42T) This item is made of 300D woven polyester material with PVC coating, which is premium water-proof,heavy duty and durable. And it has built-in tighten rope at bottom, for wind-proof.