Fits Weber Slate 28 in. Slate Griddles Model: #1501345(Liquid Propane), #1501479(Natural Gas). Includes 1 pc Weber 28 inch Slate Grill Cover,63 inch Griddle Cover model #3401060. 600D MATERIAL: Heavy-duty polyester and PVC backing,a cover that will resist cracking and fading while providing superior water-resistant protection. Full Length Heavy-Duty Premium Premium Grill Cover for All-Weather Protection. FEATURE: Durable easy-lift handles for convenient cover removal,Side Straps for a secure fit,providing peace of mind in windy conditions. Equipped with a vented mesh side panel that facilitates moisture removal and promotes interior airflow. NOT Compatible With Weber Classic 28" Griddle and Other Model Gas Griddle. Please check the Griddle Model before purchase.If you have any questions about the product,please feel free to contact us. Grill Cover for Weber 28" Slate Rust-Resistant Griddle,for Weber Slate 28 Griddle 63 in. Flat Top Grill Cover Accessories for weber slate griddle 28 in. flat top grill cover