The Set of 4 risers (4 Large & 4 Small = Total 8 piece), ranging from 3 to 8 inches in height, add a new level of comfort in your life. The risers are 2.8 inches wide and 0.7-inch in depth, giving a strong base for furniture legs. Super solid bed and furniture riser can be altered with three height options – up to 3 Inches, 5 inches and 8 inches (when combined) and has the greatest bedpost distance; bed risers can be stacked together when not in use to conserve space Bed leg fits securely into the recess cup and can be conveniently utilized on any bed; features a depth of 0.7-inch to keep the bedpost safely set up Made of heavy-duty plastic, which can stand the weight of the heaviest of furniture in your home or office, they can safely support a total of up to 1,300 lbs. (when bed risers are used together) but make sure to use these only if a proper fit is being delivered Note: The risers are not suited for recliners; Also, please make sure that the furniture legs are not thicker than 2.75" to ensure the right fit which gives a steady base to the furniture with minimal chance of collapsing