Heavy Duty Material: Our bed risers are made of rubber, which is very stable. The furniture risers can handle heavy furniture weighing up to 6,000 pounds in total, easily hold your heavy duty furniture and wouldn 't wobble. Anti-slip & Shock Absorption: The bottom of the couch risers is designed with TPU anti-slip rubber, which can protect the floor from scratches and reduce shock and noise. The triangular cone design on the top of the couch risers is anti-slip to avoid furniture sliding around. Enhance Your Comfort: Bed risers not only give you more storage space under the bed, they also help with better sleep or for those who have back pain. Couch risers heavy duty are perfect for raising the height of low furniture to assist in the process of moving from sitting to standing. Perfect for Thin Leg Furniture: The bed lifts risers adopts a round design. Actual lift height: 3.3 inch. The bed frame risers are only suitable for furniture legs smaller than 1.8 inches wide. Such as beds, sofas, couches, desks, cupboards, tables, chairs. Please note that due to the weight of the furniture, it is recommended to install the risers with the assistance of two people to . Please check the size before purchasing the product. Colour:black Material:rubber Package Contents: 8 pack Bed Risers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.