This innovative baking sheet pan and 2-in-1 cooling rack set combines a nonstick cookie pan with two cooling racks that can connect for convenience or detach for easy storage. Both the baking sheet and rack system are crafted from heavy-duty steel for long-lasting, high performance and the cookie pan features the the TOTAL® Nonstick System of hi-low grooves with premium nonstick for reduced abrasion, easy cleanup, and effortless food release.This set is dishwasher safe and oven safe to 450°F.