Raise your bed higher off the ground with these bed raisers They are made from high impact, heavy duty plastic. The bed riser give you up to approximately 5 inches of clearance underneath, proving storage for miscellaneous items. They are easy to use simply placing them under the bed posts. The smooth bottoms will not easily scratch your floors. A perfect addition to small bedrooms, apartments, and condos. Keep this item away from extreme temperatures. When not in use each of the risers stack within each other to conserve precious space. Wipe the surface with a clean cloth to clean.