(Set of 4) Black Adjustable Bed Risers / Bed Lifts / Furniture Risers &ndash; Super Quality, Super Strong, Heights of 8 &frac34;&rsquo;&rsquo;, 3 &frac34;&rsquo;&rsquo;, 6&rsquo;&rsquo; Made of heavy-duty unbreakable plastic. They safely support a total of up to 500 pounds! Won't scratch or dent hardwood floors. Could be conveniently used on basically any type of bed, either head of foot of bed can be raised for medical conditions. Riser set includes four large and four small riser cups that may be used alone or stacked to conserve space. Creates additional under bed storage instantly; feature a  raised edge to keep bedpost securely in place. Adjustable bed and furniture riser can be customized with 3 different heights: 8 , 3 , and 6.