Assembled Dimensions: 17.75″ Deep x 35.625″ Wide Two-in-One Surface; Rails Side Up for Traditional Grilling & Flat Side for Flat Top Griddling Easy to use and clean Simpler grilling with better results The Best Grilling Accessory You’ll Ever Buy for your Napoleon grill. At GrillGrate, we believe that grilling should be easy, fun, and stress free – every time. All you need is GrillGrates for your grill. GrillGrates are a must-have accessory for your gas grill. Whether you sit them on top of your current grates, or use them to replace your factory grates, GrillGrates will make your old gas grill better than new. Made of hard anodized aluminum, they never rust. GrillGrates are reversible, interlocking panels, giving you two grill surfaces in one. Even out those hot and cold spots with GrillGrates and produce juicier, more flavorful food. GrillGrates make everyone a better, faster, more confident cook. The Hard Anodized Aluminum and Raised Rail design promote conductivity and control for juicier, more flavorful food. Steakhouse quality sear marks, guaranteed!