Give yourself some space. The P.A.L. Pop-And-Lock® Folding Front Shelf XL attaches to your P.A.L. rail to offer up extra room for prepping, plating, resting meat, and more. And when it s not needed you can fold it down to keep it out of the way, yet still accessible at a moment s notice. This XL shelf size is ideal for larger grills and big feasts.