Sturdy material: ZTON Bed Risers are made of durable PP material,could hold heavy duty furniture that less than 1500lb.and stabilize your furniture without rocking. Durable for long lasting use. Furniture legQuantity and size: Set of 4 Bed Risers with protective soft rubber bases. 3.2*3.2*3.2 Inch .Bed Risers can be assembled and disassembled freely.levation in Height of 1.6" when use only 1 layer of risers or 2.9" when use 2 layers of risers. Self adhesive silicone Rubber: Made from Premium TPU materials, it helps your Furniture Risers stick to the floor without moving, and minimizes impact on doors and walls, reducing noise. Installation: Bed Risers in square shape with "L" Shape edge design, can better fit with legless wardrobes or other furniture. ZTON furniture risers can elevate the height of furniture such as beds and sofas to creat more storage space, also can lift up and support tables, cabinets, washing machines for easier cleaning underneath. Improve the quality of life by getting those Furniture Risers that protect the floor, anti-skid, shock absorption.