1.[Sturdy and Stable]Our desk riser is made of thickened pp plastic with solid construction. The rubber non-slip design on the bottom can easily grip the floor not easy to slide. Compared to other bed lifts risers, our plastic risers are small and lightweight but definitely durable for heavy furniture ! Whether it's heavy furniture for home or office, it can be lifted easily and securely. 2.[Stackable and Adjustable Furniture Risers]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, e.g. 1', 2', 3'. Note: Stacking too high is not recommended for reasons. 3.[Versatile 1 Inch Furniture Riser] 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. 4.[Perfect for Heavy Slim-legged Furniture]Square bed risers makes adjustable furniture risers easy to match square or circle furniture legs. The bed frame riser is suitable for furniture legs smaller than 2.46' 2.46', like bed, chair, desk, cabinet, sofa, table, TV stand, washing machine, refrigerators, etc.