Adjustable Furniture Risers - Customizable bed risers system instantly creates additional under bed storage space; ideal for bed, sofa, table and chair at your home and office. Size and Design - Super solid bed and furniture riser can be altered with three height options – up to 8cm, 13cm and 20cm (when combined) and has the greatest bedpost distance; bed risers can be stacked together when not in use to conserve space. Utility - Bed leg fits securely into the recess cup and can be conveniently utilized on any bed; features a depth of 0.8cm to keep the bedpost safely set up. Heavy-Duty and Sturdy - 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. Make the Right Choice – The adjustable furniture risers are not suited for recliners; also, please make sure that the furniture legs are not thicker than 7cm to ensure the right fit which gives a steady base to the furniture with minimal chance of collapsing.