Most cooling racks and baking pans are made from: aluminum (including uncoated/pure aluminum), steel, and aluminized steel. Listings often specify whether aluminum is uncoated or if steel parts are nonstick- or aluminized-finished.

Pan listings highlight warp-resistant features such as heavy-gauge steel construction, rolled or reinforced rims, and encapsulated/strengthened rims—these additions increase rigidity and help pans keep their shape under high heat.

Look for design features that improve grip and control: rolled or reinforced rims and wide or oversized handles. These give a more secure surface for oven mitts and make lifting and transferring hot pans safer and more confident.

Common sheet-pan sizes shown in listings include larger pans such as 11"×17", 13"×19", and even 15"×21". Racks paired with pans often use slightly smaller dimensions or include cooling grids around sizes like 10"×16" or about 14.5"×10"—these are representative examples from product listings.

Available finishes include uncoated (naturally release-friendly) aluminum, standard nonstick coatings (single- or double-layer), ceramic-reinforced nonstick, and aluminized-steel surfaces. Listings often specify the coating type and whether it’s marketed for easier food release and cleanup.