ALL IN ONE BED RISER: bed riser adopts one piece design, which enhance stability and Weight bearing,eliminates the disadvantage of easy wobbling. PERFECT FOR LEGLESS & THICK-LEGGED FURNITURE: "L" side makes it easier to match to the furniture, don't worry about furniture mismatches. duty furniture lifters can be applied to raise beds,couches,chairs,cabinets,tables,fridge and more . WIDENED TRAPEZOIDAL FURNITURE RISER: this upgraded bed riser use super wide surface area, that improve your furniture and riser contact area 4.8x4.8inch, makes your furniture more stable.The trapezoidal design makes these bed raising blocks not easily tip over. STRONG AND DURABLE BED RISERS: durable ABS material with reinforced ribs, these bed risers can support up to 5000 lb,easily and stably holding your furniture in place. Colour:Black Material:ABS Size:12x7.5cm Package Contents: 4 * Bed Risers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.