Material: ABS plastic for durability and strength. Strong and durable: each bed riser supports up to 1,300 pounds without wobble. Top features a non-slip triangular cone to prevent furniture from sliding. Diameter: 3.7', Height: 2.3'. Enhanced comfort: 2.3' upright frame desk riser helps raise low furniture heights for easier sit-to-stand transitions. Supports back comfort and mobility, helping you get up from the couch. Suitable for multiple occasions: table leg extenders work with raised beds, sofas, couches, desks, cabinets, tables, chairs and refrigerators. They provide additional under-furniture storage and make cleaning easier. Improve your life: raising your bed or furniture with these desk leg risers can improve posture, reduce back and neck pain, and increase storage space under your furniture. Use scenarios: - Elevate a bed or sofa to access under-bed storage and simplify cleaning. - Raise a desk to create an ergonomic standing position and ease transitions from sitting to standing. - Raise tables, cabinets or other furniture to improve accessibility and posture during daily tasks.