The item contains 4 risers, please order the right quantity according to your needs. 【High-quality materials】The wood-colored furniture risers are durable. The durable material of the bed risers ensures long-lasting use and maximum durability. 【Function】Adds additional height and storage space under beds and furniture, making it easier to clean underneath furniture, especially ideal for robot vacuum cleaners. 【Suitable for all furniture】 【Protects floors】The smooth edges of these durable bed risers won't scratch floors or snag carpets. They won't scratch or dent hardwood floors.