Pampered Chef Rockcrok 4 Qt Dutch Oven Larger RockCrok in picture and also shown with #3139 2.5 Everyday Pan Freezer- and dishwasher-safe. Glass lids let you keep an eye on food while it cooks without lifting the lid and releasing steam. Lids are oven-safe to 400F. Lids are not grill-safe. Pans resist thermal shock, so you can safely take them straight from the refrigerator to the heat source. Glazed ceramic pieces don't require pre-soaking or seasoning.