Free style prepare your delicious potato foods in short time no matter in your kitchen or outdoor BBQ !The 4prongs aluminum potato baking nail rack use to help bake potatoes quicker and more through the center by heating up when you baked on oven and grill.This potato Baking rack could be folds flat for quick & easy storage, easy to clean,dishwasher safeThis microwave potato bag saves Cooking time just around 4 minutes and is ideal for keeping the microwave clean!Importance: The 4prongs potato baking nail suitable use on grill and oven (not for microware), the red potato cooking bag only use for microware(not for grill and oven)! please don't mixed up!QA:Why the Potato baking nails rack don't work in a microwave?The nails are designed to transfer heat from the oven to the middle of the potato so that it cooks from the middle out while it is baking from the outside in. Since the microwave heats the food instead of the air around it everything cooks from the middle out, so the nails wouldn't speed the process up even if they didn't cause sparking.That is why it's only work in the oven,They may cause a fire if in a microwave!