Creative Bath Products GBR11BLK Bed and Furniture Risers (4-Count), Black Each riser measures 6 5/8" square at base x 6" high. Risers are white in color. Made from a high impact plastic and very heavy duty. Place bed risers under legs or wheels of bed frame to add 5" in Height, instantly creating additional under bed storage Either head or foot of bed can be raised for medical conditions by using only two of the bed risers