These 4 pack furniture risers are constructed from thickened PP plastic with an internal mesh reinforcement design for increased load-bearing capacity. Each riser features a top diamond-shaped foam pad to grip furniture legs, provide shock absorption, and prevent sliding. They are suitable for square legs under 2.1 by 2.1 inches, round legs under 3 inches, and irregular legs under 2.1 by 2.1 inches. These risers provide a total height of 4 inches with an actual lift height of 3.4 inches and a groove depth of 0.6 inches. The bottom diameter measures 5.2 inches. They are designed to elevate beds, chairs, desks, cabinets, sofas, tables, and TV stands to create additional storage space or assist with accessibility.