High QualityMade of heavy-duty ABS plastic, excellent hardness and rigidity. Bed risers have no problem supporting heavy furniture and they stack almost seamlessly. Sturdy and StableBed risers are thick and sturdy, securely holding the bed frame wheels. So you don't have to worry about the bed sliding off the bed risers. 7.6 cm bed risers support up to 680 kg of weight. Convenient CleaningOur bed risers make it easier to clean under furniture by adding extra height/storage space. It is especially suitable for robot vacuum cleaners to keep your home floor clean and tidy. Increase Storage SpaceNo more pushing or sliding things under the bed. These super practical bed risers provide an extra 7.6 cm of valuable storage space. Wide CompatibilityThe bed risers can be conveniently used on all types of desks, chairs, sofas, tables, furniture with wheels, and beds. It is suitable for elliptical, circular, square, and sector shapes with a diameter of 7.5 cm or less.