Abs Add Extra Height: The bed risers add 4 inch height to bed frame and ensure you have storage space under your bed. Extra height surely makes it easier to sit and lay down, avoid acid reflux, so it is suitable for elders. And these bed risers perfect for worker that keep correct sitting posture to prevent shoulder and back pain. Bed frame risers can be used to raise the head or foot of the bed independently to help some medical issues. Heavy Duty: Furniture risers for sofa is made of durable ABS material which is eco-friendly, non-toxic and heavy duty. There is a 660 lbs weight capacity for each riser and set of 6 risers safely support a total weight of up to 4,000 lbs. Fit Most Furniture: These lift furniture risers fit into raising up desks, chairs, sofas, couches, tables, cabinets and beds. Furniture Riser helps to lift beds, sofas and couch for ease of getting in and out. The chairs or desk these risers are under don't get moved or scooter at all. It put the plants up higher to get more sunshine. 4 inch Bed Risers: Heavy duty bed risers give perfect elevation, can lift most furniture to 4 inch and make furniture more stable. The robotic vacuum will be able to clean the dust underneath all of the sofas and chairs. The bases are wide and the tops are recessed so the furniture legs will fit and not slide out. No scratching on the floor. Easy to Install: Secure recessed can hold any bed leg or leg coaster. As long as the table foot is within 3.6 inches, it will easy to install. These couch risers made your life so much easier