Size: The outdoor griddle cover is especially suitable for royal gourmet gb4001B,gb4001C 4-Burner flat top gas grill 100% Waterproof: The inside of the griddle cover is coated with a water-resistant coating that will protect your griddle well outdoors Heavy Duty Material: The cover is made of durable 600D oxford material, it can protect the griddle from rain, snow, wind and dirt Easy to Use: This product is very convenient to use, it is recommended to wash the grill cover for the first time or put it in a breeze to remove the slight cloth smell, the thick and nice fabric cover material can protect your griddle for many years Air Vent and Handles: Air vents prevent internal moisture from coalescing and keep your griddle dry, and handles on both sides allow for easy use and remove Griddle Cover