●Wooden ●【Adjustable and Double-Sided Design】Bed lifters give perfect elevation with stackable option, individual use can lift furniture about 3 inches high. and you can also stack them to get more height.The double-sided design makes the bed raisers suitable for square, rectangular and round column legs. ●【Non-Slip Rubber Pad】Our small furniture risers are also safe on wood and ceramic floorings as it comes with non-slip rubber pad your floor from crack, scratches and dents. ●【Safe and Sturdy】Our bed risers heavy duty are made of high quality solid wood that can safely support a total weight of up to 6000 LBS. It can withstand even the heaviest furniture in your home or office. Table riser is very sturdy, so there is no need to worry about breaking. ●【Fits Variety of Furniture】 These bed raising blocks can easily fit desks, chairs, sofas, tables, cabinets, beds, Couch and square or Circular Bed Frame ●【Note】The risers are not suited for recliners; Also,Please make sure that round furniture legs do not exceed 1.96 inches in diameter, Wheels furniture legs do not exceed 2.36*1.57 inches in size, and square furniture legs do not exceed 2.6 inches in size to ensure proper fit and thus provide a stable base for the furniture and minimize the chance of collapse.