PROFESSIONAL GRADE 304 (18/8) STAINLESS STEEL cooling rack for baking will not rust, is dishwasher-safe and offers long lasting superior quality;HEAVY DUTY STRONG WIRE GRID sits 3/4 high for greater all-around air flow resulting in even cooking & cooling;SAFE FOR OVEN USE TO 575?F for roasting, baking, grilling, smoking, drying, bbq;OPTIMAL SIZE fits large 13 x 18 cookie sheets perfectly inside the food pan;SATISFACTION GUARANTEE! If for ANY reason you are not satisfied, we will replace or refund your item, no questions asked PLUS get a free downloadable PDF of our delicious cookie recipe e-book with purchase! Important Note: Recipe e-book is only available when purchased from Virtuosoul LLC.