Heavy Duty Carbon Steel Material:Made of heavy-duty steel and Felt furniture pads, which can stand the weight of the heavi-est of furniture in your home or office, they can safely support a total of up to 1,000 lbs. Protect floors and carbon steel bed lifts wont crack like other risers. Lifting Height 3cm & Create Extra Space:Our risers can lift heavy furniture up to 3cm smoothly and safely without any dents or cracks on the hard floor. The height of the furniture and storage space are increased, and the bottom cleaning is easier. It is especially suitable for sweeping robots and vacuum cleaners. Self-adhesive Foam Pads for the Top: Self-adhesive foam pads can fix your furniture and risers together to prevent risers from falling off. Besides, our bed risers with the bottom of felt pad design will provide great protection for your hardwood floors, no noise, no scratches, without leaving marks. No Noise, No Scratches: Everyday use and movement of furniture can be damaging your hard floor surfaces. These risers protect your hardwood, ceramic tile and linoleum floors from marring and scratches. Felt pads underneath well protect hardwood floors, no noise, no scratches, without leaving marks. Suitable for all Furniture: 4-piece furniture raisers be suitable for round furniture legs, used to raise desks, chairs, sofas, caster furniture and beds. Its strength can handle heavy furniture and protect your floor, providing you with storage space.