Dust ruffles, also known as bed skirts or bed valances, are a popular addition to many bed setups. These pieces of fabric are placed between the mattress and box spring and can help to conceal the base of the bed, while also preventing dust and debris from collecting underneath. If you're in the market for a new dust ruffle, it's good to know that there are many synonyms for this item. Some people refer to them as bed wraps, bed skirts, bed dust covers, or box springs covers. Regardless of the terminology used to describe them, dust ruffles remain a stylish and functional addition to any bedroom setting.