[header] How to make up a bed neatly [title] Put a bed ruffle over the box spring (optional). [step] A bed ruffle, also called a valance, will help to keep dust from collecting under the bed while providing a decorative accent. The bed ruffle goes on top of the box spring, covering the box spring and bed frame. 
It does not require washing as often as sheets, but it should be washed from time to time. [substeps] Not all beds have or need this.