These trays or pans can be made of 201 and 304 commerical food-grade stailess steel materials.Different trays' options satisfy clients' demands. 304stainless steel woven wire mesh tray for food dehydrators .The mesh tray is the most popular recently and is able to dehydrate a range of food from jerky to pet treats,fruit,vegetables and more. The woven mesh tray allows adequate airflow access to all sizes of the products to ensure an even and consistent dry every time.wire mesh grid cooling bakery tray is not sticked,which is widely .used to bake biscuits,cookies,pies and cakes.