The item contains 4 pieces of risers, please order the right quantity according to your needs. [High-quality materials] The heavy-duty wood-colored furniture risers are. The heavy-duty material of the bed risers ensures long-lasting use and maximum durability. [Function] Adds extra height and storage space under beds and furniture, making it easier to clean under furniture, especially ideal for robot vacuum cleaners. [Suitable for all furniture. [Protect the floor] The smooth edges of these heavy-duty bed risers won't scuff floors or snag rugs. They won't scratch or dent hardwood floors.