WELL HEAT MANAGEMENT: heat shields do a great job on reducing the heat that the side shelves are exposed to. Besides, these wind guards are also good at heating the cooking area more evenly, maintaining flames and shortening pre-heating time on windy/coldy . Saving propane is another bonus. AMERICAN PATENT: This is DESIGNED wind guard, which is different from the old version that hanging on griddle. The biggest advantage is the compatibility with grill accessories and griddle itself. Perfetly fit with lid, side table, warming rack, rear grease cup and so on. EASY TO USE: Simply put and remove them on the bottom edges of griddle with build-in strong magnets in minites with no tools or effort. Dark color also makes it look more natually with Blackstone griddle as a whole. : Heavy duty of powder coated carbon steels make these grilling accessories more heat-resistant, oxidation rersistant, corrosion resistant and rust-proof. They are also easy to clean. It will be a great grilling gifts for men. PERFECTLY FIT: wind blocker is compatible with majority of 28 inch griddle (Culinary Series NOT included): 1554 1565 1818 1820 1836 1841 1863 1866 1868 1899 1923 1984 2006 2102 2122 2149 2151. Back guard (shorter) : 15.7inch x 1.4inch, side guard (): 16.9inch x 1.4inch. Colour:black Material:Stainless steel Package Contents: 2 x side wind guards 2 x shorter back wind guards Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.