High Quality Material: Made heavy-duty steel, premium grade plastic, a zinc plated finish and EVA protection pad, does not bend, chip or wear and tear easily, study and durable for long-term use Wall Protection: This bed frame anti-shake tool is built with an EVA cushion to function without damaging your wall. It is a resilient protection pad strong enough to hold the force between the wall and bed but gentle to the surface of your walls Easy to Install: Adjust the length of the headboard bumper as needed,easy to change the stability of your bed frame in just a few minutes by simply screwing headboard wall protectors into place Various Use: Our products are not limited to bed use. Any furniture that you think is unsteady can be used. For example, cabinet, chair, sofa, and other objects placed against the wall Package Include: Come with 4 pack bedside anti-shake fixer, adjustable length between 1.85 to 2.51 ideal to use with all sizes of beds and different styles of furniture