[ PP Material] This furniture lifter is made of high-quality materials, which is sturdy and with strong load-bearing capacity. Each set of furniture lifters can carry large furniture, which is stable and reliable, and there is no need to worry about furniture shaking. [Anti-slip and shock-absorbing] The top of this sofa lifter adopts a triangular cone design to effectively prevent furniture from sliding left and right. The bottom of the bed frame lifter is made of high-quality materials to protect the floor from scratches and reduce vibration and noise. [Adjustable design] This bed frame lifter can be stacked to adjust the height and easily assemble to the appropriate height. Stacking up and down can increase the height by 8 cm/3.1 inches (about 3.1 cm), and a single layer can increase the height by 5.3 cm/2.1 inches (about 2.1 cm). It expands the space under the bed and furniture for easy storage and cleaning. The rounded design makes it easier for the bed frame lifter to match the furniture legs. [Comfortable life] The bed frame lifter not only provides you with more storage space under the bed, but also helps improve sleep or relieve back pain. It can help you easily adjust the height of large furniture, and it is also convenient for people with limited mobility to get up from the bed or sofa easily. Product name:Bed frame lifting block Applicable to:beds, sofas, washing machines, refrigerators, tables, chairs, cabinets, coffee tables, etc. Quantity:4 pieces/set Color:As Shown Material:PP Package Contents: 4 * Heavy Duty Furniture Lifters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.