A USA Pan extra large sheet pan (SKU 1055HS-1). Aluminized steel with Americoat silicone nonstick. Baking surface 20.25" x 14.25" x 1"; outer 20.75" x 14.75" x 1". Corrugated floor; steel-wire rim. Official page lists it for large batches of cookies, roasted vegetables, and sheet-pan meals. Oven-safe to 450°F. Hand wash; official use-and-care says do not dishwasher and not to use cooking spray. Silicone, nylon, or wooden utensils only. Limited lifetime warranty. Made in the USA from globally sourced materials. USA Pan's FAQ lists Americoat as a silicone coating made without PTFE, PFOA, PFOS, PFAS, and BPA. Specs from USA Pan's extra large sheet pan page.

Bigger than a half sheet. Check that it fits your oven before you buy it for a full-size home range.