DURABLE FURNITURE RISERS: The upper layer of bed risers are made of sturdy PP material, and the lower layer riser is made of TUP Rubber. Internal grid structure maintain the long-term stability of furniture risers for sofas. Easily hold your heavy duty furniture and wouldnt wobble. Great size for furniture with chunky legs. REDUCE FRICTION & NON-SLIP & SHOCK ABSORPTION: Anti-slip design of the top triangular cone avoid furniture sliding around, TPU Rubber Lower Layer design protecting the floor from scratches, including rug and hardwood floors, and reduce vibration. ADJUSTABLE DESIGN: Adjustable bed risers 3 diameter can be stacked to adjust the height, that can be assembled to a suitable height. Couch risers can give the extra height to aid getting up and easy to fit. Adjustable furniture risers for tables system instantly creates additional under bed storage space, easy to clean. WIDELY APPLICABLE: "L" side makes it more stable to increase high of furniture, dont worry about furniture mismatches. The heavy duty furniture lifters can be applied to raise beds, couches, chairs, cabinets, tables, fridge and more household goods.