Home-it 5 to 6-inch Super Quality Bed risers, Black Round Shaped, Bed Riser Helps You Storage Under The Bed 4-Pack LIMITED TIME OFFER PRICE MAY INCREASE SOON -- THIS ITEM IS COVERED BY HOME-IT FREE LIFETIME GUARANTEE Adds additional 5.25-inches of height to your bed bed riser may be stacked together when not in use bed lifts Made of durable high impact resistant composite plastic polymer bed frame risers May be conveniently used on virtually any type of bed, includes 1-inch lip to keep bed post or caster securely in place the bed lifters is excelent for a platform bed also can be used for furniture risers