The Winco 20" Rectangular Cookie Sheet is a professional-grade baking tool for high-volume commercial kitchens and bakeries. Constructed from heavy-duty aluminum, it offers exceptional heat conductivity for uniform browning and rapid cooling. The specialized non-stick coating ensures that even the most delicate cookies and pastries release effortlessly without the need for parchment paper or excessive greasing. The reinforced rim prevents warping under high oven temperatures, ensuring a long service life.