[Stackable and Adjustable] The raising height of our furniture risers 1 inch is about 1 inches. They're easy to use alone, or stack together to get the exact rise to meet your height needs. Just remove the rubber bottom then place the top section on top of each other to get different heights. Note: Stacking too high is not recommended for safety reasons [Sturdy and Stable] The bed risers are made of rubber, sturdy and can support heavy furniture in home or office. The internal mesh reinforcement design greatly improves its carrying capacity. The raised triangles at the top of the tabletop risers and the rubberized bottoms clamp securely to the furniture legs [Anti-slip & Shock Absorbing] The bed raising blocks are designed with bumps on the top to prevent the furniture from sliding. The 1-inch rubber on the bottom of the table risers prevents sliding and dampens vibration, protects the floor from scratches, reduces friction between the furniture and the floor, and reduces noise [Provide Convenience] Table risers not only make it easier for robotic vacuum to clean your floors and provide you with more under-bed storage space, but they also help with better sleep or for those who have back pain. Couch risers are perfect for raising the height of low furniture to assist in the process of moving from sitting to standing [Wide Application] The bed raising blocks are suitable for square, round and irregular furniture legs measuring less than 2.4x2.4 inches. Small, lightweight and sturdy enough to hold beds, chairs, desks, cabinets, sofas, tables, TV cabinets, washing machines, refrigerators and more