4pcs Heavy Duty L Design Bed Chair Risers Feet Leg Lift Furniture Extra RaisersDescription Anti shock and slip, the taper at the top helps prevent the furniture from sliding, bottom rubber pad can relieve vibration noise Bed risers can be stacked to adjust the height, that can be assembled to a suitable height,easily stack without compromising support Suitable for many occasions, gave you more storage space, easy to clean Material: Plastic Colour: Black Height: 7. 5cm Size: 11. 5x6x7. 5cm Package included: 4 X Furniture Raiser