Containers and dishes are generic terms for vessels that hold food without spilling, such as bowls, serving dishes, and cups or jars with lids or other covers. Among the most convenient types are sturdy plastic containers with lids, as they are durable, seal airtight, and clean easily in the dishwasher to stay sanitary. If a heatproof container or dish is required, it should be made of tempered glass, ceramic, or metal. For marinating food, a container made of glass, ceramic, or plastic is best, as aluminum, copper, and cast-iron pans can react with acidic foods. When storing a preserve, such as a flavored oil or chutney, choose a glass canning jar with tight-fitting lid or similar container.